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A modern system · American, from 1905; the Chaldean table from the 1920s

Numerology

the Life Path, the name numbers and Cheiro's Chaldean table

Your birth date and birth name reduced to single numbers, the Life Path, Expression and Soul Urge among them, by the American method of the 20th century.

Your Numerology reading, $3.99. Written for you by AI. Read a sample. Charts and the written text are free in every account.

Your numerology chart is a set of numbers from your birth date and name: born on 19 January 1989, you have a Life Path of 11, the month, day and year reducing to 1, 1 and 9 and their sum kept as a master number; the letters of your name, valued 1 to 9, give the Expression, the Soul Urge and the Personality.

The method is American, begun by Mrs L. Dow Balliett between 1905 and 1908; the rival "Chaldean" table is Cheiro's, from the 1920s.

Birth name and date

Jason Carlos Eusebio · 19 January 1989

  1. J 1
  2. A 1
  3. S 1
  4. O 6
  5. N 5

14 in all; vowels 7

  1. C 3
  2. A 1
  3. R 9
  4. L 3
  5. O 6
  6. S 1

23 in all; vowels 7

  1. E 5
  2. U 3
  3. S 1
  4. E 5
  5. B 2
  6. I 9
  7. O 6

31 in all; vowels 28

Outlined: the vowels, which give the Soul Urge.

Life Path
11 master number 1 + 1 + 9 = 11
Expression
5 from 14, a karmic debt all letters, name by name: 5 + 5 + 4 = 14 → 5
Soul Urge
6 vowels, name by name: 7 + 7 + 1 = 15 → 6
Personality
8 consonants, name by name: 7 + 7 + 3 = 17 → 8
Birth Day
1 from 19, a karmic debt day 19 → 10 → 1

Pinnacles, by age

  1. 2 ages 0 to 34
  2. 1 ages 35 to 43 · now
  3. 3 ages 44 to 52
  4. 1 ages from 53

Personal year 2026: 3, read as expression

The tradition's reading of this period, not a prediction of events, and not advice on health, money, legal matters or relationships.

Chaldean, Cheiro's table
The name totals 65, reduced to 11 and then 2; Cheiro calls the compound 11 “A Clenched Hand / A Lion Muzzled”. No master numbers on this table.

Figure 1. The numerology profile of a fictional person, Jason Carlos Eusebio, born on 19 January 1989. Each name is added up letter by letter on the 1 to 9 table, the vowels (outlined) for the Soul Urge; below, the five core numbers with their sums, the four pinnacles with the ages they span, the personal year on the sample's date, 10 October 2026, and the name on Cheiro's Chaldean table. The month, day and year reduce to 1, 1 and 9, so the Life Path is the master number 11. Method: Decoz's component method (the month, day and year each reduced keeping 11 and 22, then added keeping 11, 22 and 33); the name numbers taken name by name; each Y read by its position; the personal year on the calendar year; the Chaldean total on Cheiro's table, reduced above 52 as he does.
On this page
  1. How it works
  2. Origins and history
  3. The twelve Life Paths
  4. Variants and what we leave out
  5. Myths and disputed claims
  6. Stories and lore
  7. Evidence and criticism
  8. Terms
  9. Sample reading
  10. Sources

How it works

Everything starts from two inputs: the full name on the birth certificate and the date of birth. If you also give the name you go by, the Chaldean part reads that one.

The letters. On the table Balliett published, the alphabet is cut into rows of nine, so A, J and S are 1, B, K and T are 2, and so on to I and R, which are 9. Accents are dropped and letters such as Ø or ß are spelt out (O, SS) before counting; a hyphen or an apostrophe keeps a name in one piece.

Value Pythagorean (Balliett, 1908) Chaldean (Cheiro, 1920s)
1 A J S A I J Q Y
2 B K T B K R
3 C L U C G L S
4 D M V D M T
5 E N W E H N X
6 F O X U V W
7 G P Y O Z
8 H Q Z F P
9 I R none

Reduction. Every total is reduced by adding its digits until one digit is left: 38 becomes 3 + 8 = 11, and 11 becomes 2. The school makes one exception. It stops at 11, 22 and 33, the master numbers, and reads them as a heightened 2, 4 and 6. Some totals pass through 13, 14, 16 or 19 on the way down; the school calls these karmic debts and reads them as a lesson the number carries. Both doctrines are twentieth-century American numerology, not ancient teaching.

The Life Path. The month, the day and the year are each reduced on their own, keeping 11 and 22, and the three results are added and reduced again, keeping 11, 22 and 33. For 8 November 1983 that is 11 + 8 + 3 = 22, a master number. This is the component method that Hans Decoz and Matthew Goodwin teach and most free calculators follow. Adding every digit of the date in a row gives 31 and then 4 for the same date: another method, the flat sum Dan Millman uses, which we name but do not follow.

The name numbers. The Expression takes every letter of the birth name, the Soul Urge the vowels, the Personality the consonants. Each name is added up and reduced on its own, the results are added and reduced again, and a karmic debt is read from that sum, as Decoz does; he calls a single sum over the whole name incorrect, because it can make masters and debts that the separate names do not carry. The engine keeps the whole-name sum as a labelled variant. Y is the awkward letter. Following Decoz, it is a vowel unless it follows a vowel or opens a name before one, so Lynn, Kyle and Bryan have a vowel Y and Kay and Yolanda a consonant; W is always a consonant. The chart says which rule decided each Y and W, and you can turn either letter the other way.

The other numbers. The Birth Day is the day of the month, reduced but keeping 11 and 22. The Maturity number adds the Life Path to the Expression; the Attitude number adds the month to the day. From the letters the chart also counts which values are most frequent (the Hidden Passion), which are missing (the Karmic Lessons), the initials (the Balance) and the first and last letters of the first name (the Cornerstone and Capstone). These are the school's shared vocabulary since Balliett and Jordan; "Destiny" and "Heart's Desire" are older names for the Expression and the Soul Urge.

The cycles. Four pinnacles divide a life: month plus day, day plus year, those two added, and month plus year. The first runs to the age of 36 minus the single-digit Life Path (34 for an 11, which counts as a 2), the next two last nine years each and the fourth runs on. Each has a challenge, a difference of single digits. Three period cycles come from the month, the day and the year. The personal year adds the birth month and day to the calendar year. Every span carries its ages and is marked when it is current. These are the school's themes for a stretch of time.

The Chaldean table. On a separate tab the name you go by (or the birth name, and the chart says so) is added up on Cheiro's table, where no letter is 9. Cheiro reads the two-digit total as a "compound" and gives the compounds from 10 to 52 names, such as "the Wheel of Fortune" for 10 and "a Lion Muzzled" for 11; he keeps no master numbers. A total above 52 is reduced until it is 52 or less, as Cheiro reads his example of Austen Chamberlain, 56, as 11. Cheiro himself usually builds a compound word by word (Lloyd 9 plus George 7 makes 16), while calculators add the whole name at once; the chart gives his word-by-word compound as a variant whenever it differs, and the single digit is the same either way.

What we do not compute. No planet is attached to any number. No number is read for compatibility, money, health or the law, and none is said to fix a personality. Decoz's later numbers (Bridge, Rational Thought, Planes of Expression, Transits and Essence) are left out.

Origins and history

The name honours an ancient philosopher; the system is American and a little over a century old; the Chaldean table is younger still.

When Who What happened
About 570 to 490 BCE Pythagoras of Samos Founds a religious way of life at Croton and writes nothing. The twenty or so early references concern the soul, ritual and the rules of his community; the mathematics was credited to him later.
4th century BCE Aristotle, Metaphysics A5 Reports that the Pythagoreans took things to be numbers. Huffman reads this as Aristotle's inference, not a doctrine they wrote down.
From the 5th century BCE Greek and Hebrew scribes Letters double as numerals, 1 to 9, then tens and hundreds, so that a word has a sum: the root of gematria, not of the repeating 1 to 9 table.
1533 Heinrich Cornelius Agrippa, De occulta philosophia, Book II Chapters on the numbers one to twelve and their meanings; Latin letters valued on the Greek pattern; "the Pythagoreans" credited with divining by the numbers of names; a person's planet found from the name's total divided by nine.
1662 John Heydon, The Holy Guide An English Rosicrucian writer, accused in his day of copying, reprints Agrippa's chapter almost word for word, planets included.
1887 S. L. MacGregor Mathers The Kabbalah Unveiled tables the Hebrew letters with their values and Roman equivalents, the usual route by which occultists gave English words Hebrew values.
1905 and 1908 Mrs L. Dow Balliett, Atlantic City Self-publishes How to Attain Success Through the Strength of Vibration, subtitled "a system of numbers as taught by Pythagoras", and The Philosophy of Numbers: letters valued 1 to 9 in order, vowels and consonants read apart, 11 and 22 left unreduced, a colour and a musical note for each number. Dudley calls modern numerology virtually her invention.
By the 1910s Julia Seton and others The word "numerology" spreads; Seton, a New Thought lecturer and Balliett's friend, popularises the system under it. Whether she coined the word is not established.
1911 Sepharial (Walter Gorn Old), London The Kabala of Numbers prints "Hebraic" values for English letters (p. 30) and Heydon's planets for the numbers, which he calls without any due foundation (pp. 14 to 16).
1912 Isidore Kozminsky, London Numbers: Their Meaning and Magic, a book of number symbolism that some say Cheiro drew on.
Undated, catalogued as 1926 Cheiro (William John Warner), London Cheiro's Book of Numbers: the "Chaldean" table, 1 to 8 with no 9, matching Sepharial's on 23 of 26 letters; a planet for each number, with Uranus and Neptune in place of Agrippa's second Sun and Moon; named compounds from 10 to 52.
1926 Ariel Yvon Taylor, Chicago Numerology Made Plain names two master numbers, 11 and 22.
1931 to 1965 Florence Campbell; Juno Jordan Campbell's Your Days Are Numbered (1931); Jordan's Your Number and Destiny (1936) and Numerology: The Romance in Your Name (1965), the school's standard textbook.
1981 Matthew Oliver Goodwin Numerology: The Complete Guide, the working manual of the component method, the pinnacles, challenges and period cycles.
1985 and 1994 Hans Decoz The DecozChart program and Numerology: Key to Your Inner Self, with Tom Monte; his website sets out the rules most free calculators now follow.
1997 Underwood Dudley Numerology, or What Pythagoras Wrought, a mathematician's history and critique.
2004 Doreen Virtue and Lynnette Brown Repeated digits read as messages: a separate genre, not computed here.
2006 Hartmann, Reuter and Nyborg A study of more than 15,000 people finds no relation between date of birth and personality or intelligence.
2026 EsoTerrier The engine rebuilt on Decoz's rules after 46 test cases showed three of our old rules wrong.
A page of a seventeenth-century English book in old type. Below the running head, Of Occult Philosophy, Book II, page 236, two rows of Latin capital letters stand under the numbers they are given: A to I as 1 to 9, K to S as 10 to 90, T to Z and the added letters as 100 to 900. Beneath them a paragraph explains how to find a person's ruling star by adding the numbers of their name and their parents' names and dividing by nine.
Figure 2. Agrippa's Three Books of Occult Philosophy in the English of 1651, Book II, chapter xx (first printed in Latin in 1533): the Latin letters given the values of the Greek numerals, 1 to 9, then tens and hundreds, and the rule that adds the numbers of a name and its parents' names, divides by nine and reads a planet from the remainder. This is the older practice that modern numerology is often confused with: its letter values are not the repeating 1 to 9, and it reads a star, not a Life Path. 1651. Wellcome Collection, Public Domain Mark 1.0.

Agrippa matters because he is what the modern school is often mistaken for. His book gathers the number lore of late antiquity and the Middle Ages, unity as the source of every number, three as the holy number, four as the root of the rest, and reports, as the teaching of the Pythagoreans, ways of divining by the numbers of names. But his letters take the values of the Greek numerals, his arithmetic divides by nine to find a planet, and nothing in him resembles a Life Path. His chapter passed almost unchanged into Heydon's Holy Guide in 1662 and from there, through Sepharial in 1911, into Cheiro's planets for the numbers.

A page of an early twentieth-century book. A short paragraph says that Pythagoras said the heavens and earth vibrate to the single numbers 1 to 9. Below it the line To find your own numbers divide the alphabet into nine parts, thus, and a table: the numbers 1 to 9 across the top, with the letters a to i, j to r and s to z in three rows beneath them.
Figure 3. Mrs L. Dow Balliett, The Philosophy of Numbers: Their Tone and Colors, Atlantic City, 1908, page 17: "To find your own numbers divide the alphabet into nine parts", the table every Pythagorean calculator still uses. The line above it credits Pythagoras; that attribution is hers, and no ancient source supports it. 1908. Library of Congress, via the Internet Archive, Public Domain Mark 1.0.

The modern system is Balliett's. In two self-published books she cut the alphabet into rows of nine, read the vowels and the consonants apart, kept 11 and 22 whole and gave every number a colour and a note; she credited all of it to Pythagoras. The sum of the birth month, day and year, she wrote in the 1917 printing of her first book, "shows the path in life we ourselves chose", an early statement of what the school now calls the Life Path. Her pupil Juno Jordan, who began with her as a girl in 1898, wrote the textbook of the school in 1965; Goodwin and then Decoz turned the rules into the precise method calculators use today.

The "Chaldean" table has another history. Sepharial printed in 1911 a list of "Hebraic" values for English letters: the Hebrew letters' numbers reduced to one digit and set on their usual Roman equivalents. Cheiro's table, published some fifteen years later as an ancient Chaldean and Hebrew alphabet, differs from it only for C, H and X, and drops the 9 that Sepharial had given to Th and Tz. In Greek and Roman usage "Chaldean" meant an astrologer; Agrippa already writes that the Chaldeans numbered with their letters after the manner of the Hebrews, and that Cheiro took the label from him is our guess, not something shown.

The twelve Life Paths

The Life Path is the one number the school reads the same way for everyone, so each of its values has its own page: the sums that reach it, how often it falls to a birth date, how Decoz, Cheiro, Agrippa and Balliett treated the number, our own reading of it, and the claims made about it.

The shares are not equal. Under the component method seven numbers each take about 11.1 percent of the days from 1900 to 2099, but 2 takes only 5.0 percent and 4 only 7.7, because the sums that would land on them stop first at the masters 11 and 22. Of the masters, 11 takes 6.1 percent, 22 takes 3.4 and 33 takes 0.5: to reach 33 the reduced month, day and year must add up to exactly 33, which almost always needs a 22 among them. A share of days is a share of birthdays only if births fall evenly across the calendar.

Variants and what we leave out

The rules circulate in several versions. We describe them so you can recognise a different result from another calculator, and say which we follow.

  • The Life Path sum. Three methods are in use: the component method (Decoz, Goodwin and most calculators), each part reduced to one digit first (reported as Jordan's), and every digit added in a row (popularised by Dan Millman). They nearly always agree on the final digit and differ on dates with a master in a part: 8 November 1983 is a 22 by the first and a 4 by the other two. We follow Decoz; the chart's data also records the plain digit sum, labelled as not his.
  • How many masters. 11, 22 and 33 (Decoz); 11 and 22 only (Goodwin, Jordan, Taylor); 44 and beyond in some apps. We keep three.
  • Where debts are read. Decoz reads 13, 14, 16 and 19 only at the compound stage of the core numbers and from the day of birth; some read them in every step of every sum, as our engine wrongly did until October 2026. We read them as Decoz does.
  • Y and W. A single switch that makes every Y a consonant (as some calculators and our old engine did), or W a vowel after a vowel (a minority view), against Decoz's rule by position. In our tests the single switch gave a different answer from Decoz's rule in 23 of 45 cases.
  • The personal year. The calendar year (Decoz, Goodwin) or the year from birthday to birthday. We use the calendar year and note the difference around the birthday.
  • Chaldean on the birth name, with masters. Many sites run Cheiro's table on the birth certificate and keep 11 and 22 as masters. Cheiro reads the name a person is known by and has no masters; we follow him.
  • A planet for each number. Agrippa's planets by the remainder of nine, Heydon's copy, Sepharial's restatement and Cheiro's list are left out of the chart and the readings; the Life Path pages name them only in a short, labelled history section.
  • Sepharial's three alphabets and Agrippa's Latin table. Not in this chart; Agrippa's table is in the Gematria chart.
  • Other genres. Messages read in repeated digits (2004), the Hebrew-value "Kabbalah" readings of English names on the Mathers table, and the favoured and avoided digits of Chinese custom are different practices and are not computed.

Myths and disputed claims

What is said about numerology, who says it, and what the record shows. The label is ours.

  • Pythagoras invented numerology, gave the letters their numbers or devised the reading of birth names and dates.

    false

    Who says it: Balliett's own 1905 title, Cheiro, most books, calculators and apps.

    What the record shows: Pythagoras wrote nothing, and the twenty or so early references to him say nothing about letters or names. The repeating 1 to 9 table, the Life Path and the core numbers begin with Balliett, 1905 to 1908.

  • The Pythagoreans taught that "all is number", so numerology carries on their doctrine.

    disputed

    Who says it: Cheiro and popular histories.

    What the record shows: "Things are numbers" is Aristotle's inference about the school, not a quoted teaching. Old number symbolism is real and Agrippa passes it on in 1533; reading a person's name by it is modern.

  • Pythagoras learnt his number lore from the priests of Egypt and the Chaldeans and brought it to Greece.

    told as lore

    Who says it: The ancient biographers, then Cheiro.

    What the record shows: The travels belong to lives of Pythagoras written centuries after him; historians treat them as part of his legend.

  • The Chaldean table is the older system, from the ancient Near East, older than the Pythagorean table by thousands of years.

    false

    Who says it: Cheiro, most "Chaldean numerology" sites, and our own page before October 2026.

    What the record shows: It was first printed by Cheiro in the 1920s. Its values are, for 23 of 26 letters, the Hebrew letter values Sepharial set on English letters in 1911, which is why 9 is empty. No letter table of this kind is known from the ancient Near East, whose cuneiform was syllabic.

  • Cheiro invented the Chaldean table himself.

    disputed

    Who says it: Some sceptical pages; our own earlier page implied it.

    What the record shows: Partly. Sepharial's 1911 list agrees with it except for C, H and X. Cheiro edited an English scheme of Hebrew values; he did not invent it outright.

  • The Chaldean values follow the sound of each letter.

    unverified

    Who says it: Many Chaldean sites.

    What the record shows: Sepharial grouped one of his lists by sound in 1911, and Cheiro follows such grouping loosely, but nobody gives a rule or a measurement, and the two lists differ.

  • No letter is 9 on the Chaldean table because 9 is the sacred number of God.

    told as lore

    Who says it: Cheiro, and the calculators since.

    What the record shows: That is Cheiro's own explanation. The plain reason is the Hebrew letters Teth (9) and Tzaddi (90), which have no single Roman letter; Sepharial's 1911 list gives 9 to Th and Tz.

  • Cheiro learnt his system from a sect of Brahmins who had kept it since prehistoric times.

    unverified

    Who says it: Cheiro's preface and memoirs.

    What the record shows: His own story, with no independent record. His table and his planets have printed English sources: Agrippa, Heydon and Sepharial.

  • Each number from 1 to 9 belongs to a planet, the Sun for 1 and so on to Mars for 9.

    unverified

    Who says it: Cheiro, Sepharial, and Vedic and Chaldean numerology sites.

    What the record shows: A European line, not an ancient one: Agrippa 1533, Heydon 1662, Sepharial 1911 (who calls it without foundation), then Cheiro, who put Uranus and Neptune in. We do not attach planets to numbers.

  • The karmic debt numbers 13, 14, 16 and 19 are an ancient or Vedic teaching about past lives.

    false

    Who says it: The old page writer's file and many sites.

    What the record shows: They are twentieth-century American numerology: not in Balliett (1905, 1908) or Taylor (1926), and in no Vedic or ancient text. The past-life reading is the school's belief.

  • The master numbers 11, 22 and 33 are an ancient doctrine.

    false

    Who says it: Many sites; the old page writer's file.

    What the record shows: Balliett's 1908 book calls 8, 9, 11 and 22 "free numbers", and the 1917 printing of her first book says that 11 and 22 "are never added". Taylor in 1926 still names only 11 and 22. Nothing older than 1905 has them.

  • 44, 55, 66 and the other doubled digits are master numbers too.

    disputed

    Who says it: Some practitioners and apps.

    What the record shows: Decoz keeps 11, 22 and 33 and calls the rest power numbers; Goodwin and Jordan used 11 and 22 only. We keep three.

  • Life Path 22 outranks every other number in power, and 33 in spirituality.

    unverified

    Who says it: Decoz and most sites.

    What the record shows: A ranking the school makes. We do not rank; each page gives the share of birthdays instead (22: 3.4 percent, 33: 0.5 percent of days from 1900 to 2099).

  • Numbers show which days are favourable, which bring misfortune and when money will come.

    unverified

    Who says it: Cheiro, many sites and apps.

    What the record shows: Cheiro's compound names carry warnings, and he names days and periods for each number. We quote his names as his.

  • Numerology is a science, or has been validated by research.

    false

    Who says it: App and site marketing.

    What the record shows: No controlled study supports a link between a birth date or name and personality. The one large test, on more than 15,000 people, found none.

  • Numbers act on people through their vibration or frequency.

    unverified

    Who says it: Balliett from 1905, Seton, Jordan and nearly every site.

    What the record shows: The school's own vocabulary since 1905, from the New Thought movement; not a physical claim anyone has tested. We write that the school reads a number, not that it vibrates.

  • When the Pythagorean and Chaldean numbers agree, a person has no inner conflict, and comparing both gives perfect precision.

    false

    Who says it: Our own public page before October 2026.

    What the record shows: An invented doctrine with no source in either school. The two tables are two methods, not two measurements; we claim nothing from their agreement.

  • Our chart yields a score of core numbers or more, by a special reduction that keeps every master.

    false

    Who says it: Our own public page before October 2026.

    What the record shows: There are five core numbers. The old engine even dropped masters in the parts, the opposite of the claim. Replaced on 10 October 2026.

  • Julia Seton coined the word "numerology".

    unverified

    Who says it: Several histories, after a bibliography that says she "is said to have".

    What the record shows: Dictionaries disagree on the word's first date, between 1871 and 1911. It was in use by the 1910s, and Seton popularised it.

  • The 1 to 9 letter table comes from the Greek alphabetic numerals.

    false

    Who says it: Popular histories.

    What the record shows: The Greek numerals run 1 to 9, then tens and hundreds, as Agrippa's Latin table does. The repeating 1 to 9 is Balliett's.

  • Repeated digits such as 111 and 444 carry messages known to numerology since ancient times.

    false

    Who says it: Sites and apps after Doreen Virtue and Lynnette Brown.

    What the record shows: A genre of 2004. We do not compute it.

Stories and lore

These are told as their tellers tell them.

The master who wrote nothing. The lives of Pythagoras written centuries after him give him a golden thigh, have him seen in two cities at once, send him to study with the priests of Egypt and the magi of the Chaldeans, and forbid his followers beans. Huffman reads these as a legend growing around the founder of a way of life; even the roundness of the earth, he notes, was credited to him falsely. Cheiro retells the Egyptian apprenticeship and adds a secret school that wrote nothing down.

Agrippa's arithmancy. Agrippa reports, as the Pythagoreans' teaching, that names of few letters foretell misfortune and names of many success, and quotes the old verse "so Hector did Patroclus slay, so Hector to Achilles was a prey". He adds that the numbers of a name and of the parents' names reveal a person's planet and sign, and other matters of the body and of death that we do not repeat.

Mrs Balliett of Atlantic City. The widow of a music teacher in a seaside resort, Balliett published from 1905, gave each number a colour and a tone (1 the note C, 2 the note D, and so on up the scale) and found the colour of a colour's name by adding its letters. Dudley's reviewer passes on his surmise that she changed her own first name to improve its number.

The doctor's daughter. Juno Jordan began studying with Balliett at fourteen, in 1898, and later with her own mother, Julia Seton, a New Thought physician and lecturer. She published the school's textbook at eighty-one and lived to a hundred.

Cheiro's Brahmins. Cheiro wrote that on his travels in the East he met a sect of Brahmins who had kept occult studies since prehistoric times and allowed him to learn their theories of numbers; his memoirs add a guru in the Konkan and a book written on human skin in gold. The printed trail runs instead through Sepharial, whose 1911 values match his on 23 of 26 letters.

"A Lion Muzzled". Cheiro gave his compound numbers names and pictures that recall the tarot: 10 the Wheel of Fortune, 11 "a Clenched Hand" or "a Lion Muzzled", 12 the Sacrifice, 13 change and upheaval, 16 "the Shattered Citadel". He insisted that the dread of 13 was unfounded.

Lloyd George's nine. Cheiro worked his table on the statesmen of his day, finding the fighter's number 9 in "Lloyd" alone, to show that the name a person is called by, not the one on paper, carries the number.

Evidence and criticism

On Pythagoras. Carl Huffman's entries in the Stanford Encyclopedia of Philosophy set out what can be known: no writings, about twenty early references, a reputation for teaching about the soul and ritual, with the mathematics and cosmology added later; "things are numbers" is Aristotle's reading of the school. Nothing in that record concerns names, birth dates or the letters of an alphabet.

On the modern system. The mathematician Underwood Dudley traces numerology to Balliett and explains its apparent hits by what he calls the law of small numbers: with only nine values to go round, coincidences among them are certain, so any method that reduces names and dates to 1 to 9 will seem to fit. The one large controlled test, by Hartmann, Reuter and Nyborg in 2006, compared birth dates with personality scales and general intelligence in two samples of more than 4,000 and more than 11,000 people, and found no relation. We found no comparable study of name numbers, and none that claims the contrary.

The schools disagree with each other. They differ on the Life Path arithmetic, on how many masters there are, on where debts are read, on the letter Y, on when the personal year begins and on whether the Chaldean table takes the birth name. Decoz argues each point on his website, and the free calculators mostly follow him.

The Chaldean pedigree. No scholar defends an origin in the ancient Near East. Akkadian was written in syllabic cuneiform with numbers counted in sixties, and "Chaldean" in Greek and Latin meant an astrologer. The printed line of the table and its planets is European and occult, Agrippa in 1533, Heydon in 1662, Sepharial in 1911 and Cheiro; its values are the Hebrew letter values reduced to one digit, which is why the two Hebrew letters with no Roman equivalent, Teth (9) and Tzaddi (90), leave 9 empty.

What the school says about itself. "Vibration", "frequency" and "energy" are the vocabulary of the New Thought movement that Balliett wrote in from 1905; they describe the school's belief, not a physical effect anyone has measured.

Our own test. In October 2026 we compared our engine on 46 names and dates with a textbook implementation, two software packages and four web calculators, and checked our test person against Affinity Numerology, numerologist.com and numerologycalc.org. The arithmetic was right wherever a documented rule was followed, but three of our rules were not the credible ones: masters were lost in the parts of the Life Path, karmic debts were read at every step, and Y followed a single switch. All three were changed. Our earlier public page also claimed over twenty core numbers and a hidden agreement between the two tables; both claims were withdrawn.

Copyright and credit. The rules of a method are free to use; the words of the books that teach them are not. Balliett, Sepharial, Heydon and Agrippa are in the public domain and are quoted briefly here. Cheiro's book is in the public domain too, but the copies we could read are later revised printings, so we give his rules and his compound names and do not quote his prose. Jordan, Goodwin, Decoz and the calculators are in copyright: we use their rules as facts, in our own words, and our meanings for the numbers were written from scratch.

Terms

Life Path
The number of the birth date: the month, the day and the year each reduced, then added and reduced again. The school reads it as the main theme of a life.
Reduction
Adding the digits of a number until one digit is left (38 gives 11, then 2), except that the school stops at the master numbers.
Component method
Decoz's and Goodwin's way of finding the Life Path: reduce the month, the day and the year apart, keeping 11 and 22, then add the three. The method we use.
Master number
11, 22 or 33, left unreduced and read as a heightened 2, 4 or 6. Balliett called 11 and 22 "free numbers" in 1908; 33 came later. Some apps add 44 and higher; Decoz calls those power numbers.
Karmic debt
13, 14, 16 or 19 found behind a core number or as the day of birth, read by the school as a lesson to learn. A twentieth-century American doctrine, not an ancient one.
Compound
The two-digit total behind a number before its last reduction (the 14 behind an Expression of 5). Cheiro reads the compounds 10 to 52 by name.
Expression
The number of all the letters of the full birth name, read as a person's abilities. Older books call it the Destiny number.
Soul Urge
The number of the vowels of the birth name, read as what a person wants inwardly. Older books call it the Heart's Desire.
Personality
The number of the consonants of the birth name, read as the impression a person makes.
Birth Day
The day of the month, reduced but keeping 11 and 22; a day of 13, 14, 16 or 19 counts as a karmic debt.
Vowel Y
Decoz's rule: Y counts as a vowel unless it follows a vowel or opens a name before one (Lynn and Bryan have a vowel Y, Kay and Yolanda a consonant). W is a consonant. Either can be read the other way.
Pinnacle
One of four periods of a life, each with a number and a challenge. The first ends at 36 minus the single-digit Life Path; the next two last nine years each; the fourth runs on.
Period cycle
Three long cycles taken from the month, the day and the year of birth; the second begins with the first personal year 1 after the 27th birthday and lasts 27 years.
Personal year
The birth month and day added to the calendar year and reduced: the theme the school gives a year, January to December. Some practitioners count from the birthday instead.
Chaldean table
Cheiro's letter values of the 1920s, 1 to 8 with no 9; 23 of its 26 letters match the "Hebraic" values Sepharial printed in 1911. Neither ancient nor from the Chaldeans.
Current name
The name a person goes by. Cheiro holds that the name a person is most known by, not the one on paper, is the one that counts on his table.

Sample reading

Sample reading, AI-written for a fictional person.

Read the sample (1,223 words)

AI output can be wrong.

The Signal Arrives Before the Words

Jason, your chart rests on a Life Path 11, reached as 1 + 1 + 9 = 11, and the school keeps that eleven unreduced, reading it as a 2 under high voltage: intuition, inspiration and a nervous sensitivity that registers what others have not yet said. Beside it, your Birth Day of 19 reduces to 1 and carries the karmic debt 19, so the most receptive number in the system sits on top of the most solitary one.

The tradition reads the 11 as a life that illuminates for others while still searching for its own footing. You know the texture of this. You walk into a room and the temperature is already information. Someone says "great idea" and you hear the hesitation folded inside it. You often know where a conversation will land three sentences before it gets there, and you sometimes speak to that landing point, which can make you seem uncanny or abrupt depending on who is listening. The insight is real. The grounding is the work. When the 11 has nowhere to set its current down, the tradition reads the overflow as anxiety and self-doubt. That is the moment after the dinner party when you replay a single glance across the table for an hour, convinced it meant something, and it probably did. You just could not prove it, and the proof matters to you more than you admit.

Your Attitude 2 (1 + 19 = 20) shows the plain, unvoltaged form of the same number. It is the face people meet first: tactful, patient, attentive to timing, slow to take the last word. The 11 is what hums underneath that patience.

A Hard Front Over a Soft Interior

Your name splits cleanly between what you want and how you are seen. The Soul Urge is 6 (7 + 7 + 1 = 15, then 6), and the Personality is 8 (7 + 7 + 3 = 17, then 8).

Privately, the 6 wants care, home and responsibility. It wants beauty in the arrangement of things and the steady knowledge that the people around you are all right. It takes on the duties nobody assigned. In practice: you notice the friend who has gone quiet in the group chat and you message them, then you quietly fix the plan so it works for them, and you never mention it.

Publicly, the 8 is what others read. The tradition gives it authority, organisation and a yardstick of results. People assume you are in charge, that you have a plan, that you are fine. They bring you problems to be solved, not feelings to be held. This is useful, and it is also a disguise. The softness of the 6 and the sensitivity of the 11 both sit behind a front that signals competence and control, so you are rarely offered the tending you so readily give. The trap of the 6 is self-sacrifice and quiet interference. The trap of the 8 is control and measuring your worth by output. Put together, they can produce a person who manages everyone's wellbeing with flawless efficiency and calls that love, while running on empty.

Freedom, Debt and the Will to Go Alone

Here is the central tension in your chart. Your Expression is 5, reached as 5 + 5 + 4 = 14, and the tradition reads the karmic debt 14 behind it as a lesson about freedom used without excess. The 5 wants variety, movement, the next idea, the next person, the door left open. That pulls directly against the 6 in your Soul Urge, which wants roots and someone to look after. You can feel both in the same week: the urge to rearrange your entire life on a Tuesday and the ache, by Friday, for something that stays put.

The debt 14 speaks to this. The tradition does not read it as punishment. It reads it as a lesson that recurs until it is learnt: liberty that is spent rather than shaped turns into restlessness, overindulgence, a scattering of the very talent the 5 carries. Your quickness and adaptability are genuine gifts. The lesson is to choose your changes rather than be carried by them.

The Birth Day 1 with its karmic debt 19 adds a second lesson that runs alongside the first. The 1 is initiative and the courage to act without permission. The 19 asks for independence that does not shut others out. Notice the reflex: when something matters, you would rather do it yourself than explain it, and asking for help feels like admitting a weakness. Set that beside an 11 that needs grounding and a 6 that needs to be cared for, and you can see the cost. The very self-reliance that protects you also keeps out the steadiness the master number requires.

Your karmic lessons of 4, 7 and 8 mark what the name does not supply on its own. The 7 and the 8 matter most here. The 7 is analysis and solitude used well. The 8 is authority held without grasping. Both are areas the tradition says you build deliberately rather than inherit. Your Maturity number is 7 (11 + 5 = 16, then 7), which suggests that the later half of life turns inward toward study, specialism and a search for what is true beneath the surface. The restless 5 and the intuitive 11 are meant, in time, to settle into a seeker's discipline.

Cheiro's Chaldean table gives your full name a total of 65, reduced to the compound 11, which he called "A Clenched Hand" or "A Lion Muzzled", and from there to 2. These are his words, and his warning. Read as a note on character, they describe your situation precisely: real strength held back, power that has not yet found its permitted expression.

The Present Weather: Going First, Then Speaking

You are 37. Since 35 you have been in your second Pinnacle, a 1, which runs from ages 35 to 43 with a challenge of 8, and in a middle Period cycle of 1 that runs from 35 to 61. Your first Pinnacle, from birth to 34, was a 2 with a challenge of 0. Those years asked you to learn through others, through partnership and timing. The weather has changed. The tradition reads this 1 Pinnacle as a season that favours initiative, self-direction and the willingness to go first. That is a demand as much as a gift, because it presses squarely on the debt 19. The challenge 8, which is also your main challenge and returns in every later Pinnacle, asks you to learn your relationship to authority and control: neither handing your power away nor gripping it so tightly that no one else can come near.

Within that longer span, the calendar year 2026 is a Personal Year 3 for you, which the data marks as a year of expression. Under the Universal Year 1, your 3 asks you to give voice to what you have been carrying, to put the 11's private knowing into words, images or work that others can actually receive. Since October you have been in a Personal Month 4, a narrower stretch that favours structure, pairing the expressive year with discipline. Taken together, the tradition reads this period as asking for the clenched hand to open, but deliberately, in a form that holds its shape.

Your practical note is this. Choose one recurring intuition you have kept to yourself this year, the thing you keep noticing and never say. Before December, write it out in plain language and show it to one person whose judgement you trust. Then ask them one direct question about it and let them answer without your managing the reply. That single act serves the 3 by expressing, the 4 by giving it form, the 19 by letting someone in, and the 11 by giving its current a place to land.

Sources

Primary texts (21)
  1. Mrs L. Dow Balliett, How to Attain Success Through the Strength of Vibration: A System of Numbers as Taught by Pythagoras. Atlantic City: the author, 1905 (read in the printing of 1917). archive.org/details/howtoattainsucce00ball
  2. Mrs L. Dow Balliett, The Philosophy of Numbers: Their Tone and Colors. Atlantic City: the author, 1908. archive.org/details/philosophyofnumb00ball
  3. Cheiro (William John Warner), Cheiro's Book of Numbers. London: Herbert Jenkins, undated (catalogued as 1926); read in a later revised impression. Facts and compound names only. archive.org/details/in.ernet.dli.2015.70770
  4. Sepharial (Walter Gorn Old), The Kabala of Numbers, Part I. London: William Rider and Son, 1911. brittlebooks.library.illinois.edu/brittlebooks_open/Books2012-04/sephar0001kabofn/sephar0001kabofn.pdf
  5. Henricus Cornelius Agrippa, De occulta philosophia libri tres. Cologne, 1533. archive.org/details/McGillLibrary-osl_henrici-cornelii-agrippae_folioA279o1533-19978
  6. Henry Cornelius Agrippa, Three Books of Occult Philosophy, Book II, translated by J. F. (London, 1651), edited by Joseph H. Peterson. esotericarchives.com/agrippa/agrippa2.htm
  7. John Heydon, The Holy Guide. London, 1662. archive.org/details/holyguideleading00heyd
  8. Ariel Yvon Taylor, Numerology Made Plain. Chicago: Laird and Lee, 1926. Facts only. archive.org/details/numerologymadepl00tayl_0
  9. Isidore Kozminsky, Numbers: Their Meaning and Magic. London: Rider, 1912 (known from catalogue records; not opened).
  10. Juno Jordan, Numerology: The Romance in Your Name. J. F. Rowny Press, 1965. Facts only.
  11. Matthew Oliver Goodwin, Numerology: The Complete Guide, 2 vols. Newcastle Publishing, 1981. Facts only.
  12. Hans Decoz with Tom Monte, Numerology: Key to Your Inner Self. New York: Avery, 1994. Facts only.
  13. Hans Decoz, "Life Path number", worldnumerology.com. Facts only. worldnumerology.com/numerology-life-path
  14. Hans Decoz, "Master numbers", worldnumerology.com. Facts only. worldnumerology.com/numerology-master-numbers
  15. Hans Decoz, "Karmic debt numbers", worldnumerology.com. Facts only. worldnumerology.com/numerology-karmic-debt-numbers
  16. Hans Decoz, "Y: vowel or consonant", worldnumerology.com. Facts only. worldnumerology.com/numerology-articles/numerology-Y-vowel-consonant.html
  17. Hans Decoz, "Pinnacle cycles", worldnumerology.com. Facts only. worldnumerology.com/numerology-pinnacles
  18. Hans Decoz, "Challenges", worldnumerology.com. Facts only. worldnumerology.com/numerology-challenges
  19. Hans Decoz, "Period cycles", worldnumerology.com. Facts only. worldnumerology.com/numerology-period-cycles
  20. Hans Decoz, "Personal numerology forecast" (personal year, month and day), worldnumerology.com. Facts only. worldnumerology.com/personal-numerology-forecast
  21. Hans Decoz, the Balance, Maturity, Hidden Passion, Subconscious Self and Attitude pages, worldnumerology.com. Facts only. worldnumerology.com/numerology-balance-number
Studies and other sources (23)
  1. Penguin Random House, author page for Hans Decoz. penguinrandomhouse.com/authors/251209/hans-decoz
  2. Carl Huffman, "Pythagoras", Stanford Encyclopedia of Philosophy (2024). plato.stanford.edu/entries/pythagoras
  3. Carl Huffman, "Pythagoreanism", Stanford Encyclopedia of Philosophy (2024). plato.stanford.edu/entries/pythagoreanism
  4. Underwood Dudley, Numerology, or What Pythagoras Wrought. Washington: Mathematical Association of America, 1997; known through reviews. articles.skeptics.nz/2000/05/01/numerology-or-what-pythagoras-wrought
  5. Peter Hartmann, Martin Reuter and Helmuth Nyborg, "The relationship between date of birth and individual differences in personality and general intelligence: a large-scale study", Personality and Individual Differences 40 (2006), 1349 to 1362. doi.org/10.1016/j.paid.2005.11.017
  6. catherine yronwode, numerology bibliography, yronwode.org. yronwode.org/numerology-bibliography.html
  7. Boštjan Lovrat, "Chaldean numerologist: Cheiro" (2024). bostjanlovrat.com/2024/09/24/chaldean-numerologist-cheiro
  8. Boštjan Lovrat, "Classical Cheiro's descriptions of compound numbers" (2024). bostjanlovrat.com/2024/08/21/classical-cheiros-descriptions-of-compound-numbers
  9. soulweaving.com.au, "How to calculate your birth path number" (the method reported as Juno Jordan's). soulweaving.com.au/post/how-to-calculate-your-birth-path-number
  10. numerology4yoursoul.com, "When does the personal year begin in numerology". numerology4yoursoul.com/the-personal-year-begin-in-numerology
  11. brandilei.com, "What the special letters Y and W really mean in numerology". brandilei.com/what-special-letters-y-and-w-really-mean-in-the-world-of-numerology
  12. numerologycalc.org, Pythagorean and Chaldean calculators, run on a test person. numerologycalc.org
  13. chaldeannumerologycalculator.com, Chaldean calculator. chaldeannumerologycalculator.com
  14. Affinity Numerology, diagrammed numerology chart, run on a test person. affinitynumerology.com/numerology-tools/diagrammed-numerology-chart.php
  15. numerologist.com, Life Path and name calculators, run on a test person. numerologist.com/calculators/life-path-calculator
  16. "Numerology", Wikipedia (orientation only). en.wikipedia.org/wiki/Numerology
  17. "Julia Seton", Wikipedia (orientation only). en.wikipedia.org/wiki/Julia_Seton
  18. "Sepharial", Wikipedia (orientation only). en.wikipedia.org/wiki/Sepharial
  19. "Cheiro", Wikipedia (orientation only). en.wikipedia.org/wiki/Cheiro
  20. "John Heydon (astrologer)", Wikipedia (orientation only). en.wikipedia.org/wiki/John_Heydon_(astrologer)
  21. "Mathers table", Wikipedia (orientation only). en.wikipedia.org/wiki/Mathers_table
  22. "Chaldea", Wikipedia (orientation only). en.wikipedia.org/wiki/Chaldea
  23. "Babylonian cuneiform numerals", Wikipedia (orientation only). en.wikipedia.org/wiki/Babylonian_cuneiform_numerals
Our own research (6)
  1. The retired page writer's source file for this system (July 2026), cited only as the source of the claims it made; never linked.
  2. EsoTerrier's earlier public page on numerology (rewritten 10 October 2026 and again here).
  3. EsoTerrier, numerology, Psychomatrix and gematria research, 10 to 13 October 2026.
  4. EsoTerrier, validation of the numerology engine: 46 name-and-date cases against a textbook implementation, two packages and four web calculators (October 2026).
  5. EsoTerrier, Life Path frequencies over every date from 1900 to 2099 under the component method, counted twice with separate code (October 2026).
  6. EsoTerrier calculation engine, the numerology service and its documentation.

By EsoTerrier. Written with AI assistance from our research and checked against its sources; last revised 19 October 2026. How we write these pages.

First published ; last revised . Corrections: support@esoterrier.com.

EsoTerrier is independent of Hans Decoz and his business, World Numerology, whose rules we follow and credit; neither has reviewed or endorsed these pages.