# Hebrew numerals

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The system of Hebrew numerals is a quasi-decimal alphabetic numeral system using the letters of the Hebrew alphabet.

In this system, there is no notation for zero, and the numeric values for individual letters are added together. Each unit (1, 2, ..., 9) is assigned a separate letter, each tens (10, 20, ..., 90) a separate letter, and the first four hundreds (100, 200, 300, 400) a separate letter. The later hundreds (500, 600, 700, 800 and 900) are represented by the sum of two or three letters representing one of the first four hundreds. To represent numbers from 1,000 to 999,999 the same letters are reused to serve as thousands, tens of thousands, and hundreds of thousands. Gematria (Jewish numerology) uses these transformations extensively.

In Israel today, the decimal system of Hindu-Arabic numerals (ex. 0, 1, 2, 3, etc.) is used in almost all cases (money, age, date on the civil calendar). The Hebrew numerals are used only in special cases, like when using the Hebrew calendar, or numbering a list (similar to a, b, c, d, etc.), much as Roman numerals are in the West.

## Main table

Decimal Hebrew Glyph Cardinal
(ex. one, two, three)
Ordinal
(ex. first, second, third)
Masculine Feminine Masculine Feminine
0 N/A efes (אֶפֶס) N/A
(אֶחַד)
achat
(אַחַת)
rishon
(‎רִאשׁוֹן‏)
rishonah
(‎רִאשׁוֹנָה‏)
2 Bet ב shnayim
(שְׁנַיִם)
shtayim
(שְׁתַּיִם)
sheni
(‎שֵׁנִי‏)
shniyah
(‎שְׁנִיָה‏)
3 Gimel ג shlosha
(שְׁלוֹשָׁה)
shalosh
(שָׁלוֹשׁ)
shlishi
(‎שְׁלִישִׁי‏)
shlishit
(‎שְׁלִישִׁית‏)
or
shlishiyah
(‎שְׁלִישִׁיָה‏)
4 Dalet ד arba'a
(אַרְבָּעָה)
arbah
(אַרְבַּע)
revi'i
(‎רְבִיעִי‏)
revi'it
(‎רְבִיעִית‏)
5 Hei ה chamisha
(חֲמִשָׁה)
chamesh
(חָמֵשׁ)
chamishi
(‎חֲמִישִׁי‏)
chamishit
(‎חֲמִישִׁית‏)
6 Vav ו shisha
(שִׁשָּׁה)
shesh
(שֵׁשׁ)
shishi
(‎שִׁשִּׁי‏)
shishit
(‎שִׁשִּׁית‏)
7 Zayin ז shiv'a
(שִׁבְעַה)
sheva
(שֶׁבַע)
shvi'i
(‎שְׁבִיעִי‏)
shvi'it
(‎שְׁבִיעִית‏)
8 Het ח shmonah
(שְׁמוֹנָה)
shmoneh
(שְׁמוֹנֶה)
shmini
(‎שְׁמִינִי‏)
shminit
(‎שְׁמִינִית‏)
9 Tet ט tish'a
(תִּשְׁעָה)
tayshah
(תֵּשַׁע)
tshi'i
(‎תְּשִׁיעִי‏)
tshi'it
(‎תְּשִׁיעִית‏)
10 Yud י assara
(עֲשָׂרָה)
eser
(עֶשֶׂר)
asiri
(‎עֲשִׂירִי‏)
asirit
(‎עֲשִׂירִית‏)
20 Kaf כ esrim
(עֶשְׂרִים)
30 Lamed ל shloshim
(שְׁלוֹשִׁים)
40 Mem מ arba'im
(אַרְבָּעִים)
50 Nun נ chamishim
(חֲמִשִּׁים)
60 Samech ס shishim
(שִׁשִּׁים)
70 Ayin ע shiv'im
(שִׁבְעִים)
80 Pei פ shmonim
(שְׁמוֹנִים)
(תִּשְׁעִים)
100 Kuf ק me'a
(מֵאָה)
200 Resh ר matayim
(מָאתַיִם)
300 Shin ש shlosh meot
(שְׁלוֹשׁ מֵאוֹת)
400 Tav ת arba meot
(אַרְבַּע מֵאוֹת)
500 Tav Kuf or Chaf Sofit ת"ק or ך chamesh meot
(חֲמֵשׁ מֵאוֹת)
600 Tav Resh or Mem Sofit ת"ר or ם shesh meot
(שֵׁשׁ מֵאוֹת)
700 Tav Shin or Nun Sofit ת"ש or ן shva meot
(שְׁבַע מֵאוֹת)
800 Tav Tav or Pei Sofit ת"ת or ף shmone meot
(שְׁמוֹנֶה מֵאוֹת)
900 Tav Tav Kuf or Tsadi Sofit תת"ק or ץ tsha meot
(תְּשַׁע מֵאוֹת)
11: achad asar/achat esre, 12: shneim asar/shteim esre, 13: shlosha asar/shlosh esre,
14: arba'a asar/arba esre, 15: chamisha asar/chamesh esre, 16: shisha asar/shesh esre,
17: shiv'a asar/shva esre, 18: shmona asar/shmone esre, 19: tish'a asar/tsha esre
1000: elef, 2000: alpaim, 10 000: aseret alafim/revava, 100 000: mea elef, 1 000 000: miliyon,
1 000 000 000: miliyard

Note: For ordinal numbers greater than 10, cardinal numbers are used instead.

### Speaking and writing

Cardinal and ordinal numbers must agree in gender (masculine or feminine; mixed groups are treated as masculine) with the noun they are describing. If there is no such noun (e.g. a telephone number or a house number in a street address), the feminine form is used. Ordinal numbers must also agree in number and definite status like other adjectives. The cardinal number precedes the noun (ex. shlosha yeladim), except for the number one which succeeds it (ex. yeled echad). The number two is special - shnayim (m.) and shtayim (f.) become shney (m.) and shtey (f.) when followed by the noun they count. For ordinal numbers (numbers indicating position) greater than ten the cardinal is used.

## Calculations

The Hebrew numeric system operates on the additive principle in which the numeric values of the letters are added together to form the total. For example, 177 is represented as קעז which corresponds to 100 + 70 + 7 = 177.

Mathematically, this type of system requires 27 letters (1-9, 10-90, 100-900). In practice the last letter, tav (which has the value 400) is used in combination with itself and/or other letters from kof (100) onwards, to generate numbers from 500 and above. Alternatively, the 22-letter Hebrew numeral set is sometimes extended to 27 by using 5 sofeet (final) forms of the Hebrew letters.

### Key exceptions

By convention, the numbers 15 and 16 are represented as ‫ט״ו‬ ‎(9 + 6) and ‫ט״ז‬ ‎(9 + 7), respectively. This is done in order to refrain from using the two-letter combinations י–ה ‭(10 + 5)‬ and י–ו ‭(10 + 6)‬ (which are alternate written forms for the Name of God) in everyday writing. In the calendar, this manifests every full moon, since all Hebrew months start on a new moon.

Combinations which would spell out words with negative connotations are sometimes avoided by switching the order of the letters. For instance, ‫תשמ״ד‬ (meaning "you/it will be destroyed") might instead be written as ‫תשד״מ‬.

## Gershayim

Gershayim (U+05F4 in Unicode, and resembling a double quote mark) (sometimes erroneously referred to as merkha'ot, which is Hebrew for double quote) are inserted before (to the right of) the last (leftmost) letter to indicate that the sequence of letters represents a number rather than a word. This is used in the case where a number is represented by two or more Hebrew numerals (e.g., 28 → ‫כ״ח‬).

Similarly, a single Geresh (U+05F3 in Unicode, and resembling a single quote mark) is appended after (to the left of) a single letter to indicate that the letter represents a number rather than a (one-letter) word. This is used in the case where a number is represented by a single Hebrew numeral (e.g., 100 → ‫ק׳‬).

Note that Geresh and Gershayim merely indicate "not a (normal) word." Context usually determines whether they indicate a number or something else (such as "acronym").

## Decimals

In print, Hindu-Arabic numerals are employed in Modern Hebrew for most purposes. Hebrew numerals are used nowadays primarily for writing the days and years of the Hebrew calendar; for references to traditional Jewish texts (particularly for Biblical chapter and verse and for Talmudic folios); for bulleted or numbered lists (similar to A, B, C, etc., in English); and in numerology (gematria).

## Thousands and date formats

Thousands are counted separately, and the thousands count precedes the rest of the number (to the right, since Hebrew is read from right to left). There are no special marks to signify that the “count” is starting over with thousands, which can theoretically lead to ambiguity, although a single quote mark is sometimes used after the letter. When specifying years of the Hebrew calendar in the present millennium, writers usually omit the thousands (which is presently 5 [‫ה‬]), but if they do not this is accepted to mean 5 * 1000, with no ambiguity. The current Israeli coinage includes the thousands.

### Date examples

“Monday, 15 Adar 5764” (where 5764 = 5(×1000) + 400 + 300 + 60 + 4, and 15 = 9 + 6):

In full (with thousands): “Monday, 15(th) of Adar, 5764”
‫יום שני ט״ו באדר ה׳תשס״ד‬
Common usage (omitting thousands): “Monday, 15(th) of Adar, (5)764”
‫יום שני ט״ו באדר תשס״ד‬

“Thursday, 3 Nisan 5767” (where 5767 = 5(×1000) + 400 + 300 + 60 + 7):

In full (with thousands): “Thursday, 3(rd) of Nisan, 5767”
‫יום חמישי ג׳ בניסן ה׳תשס״ז‬
Common usage (omitting thousands): “Thursday, 3(rd) of Nisan, (5)767”
‫יום חמישי ג׳ בניסן תשס״ז‬

To see how today's date in the Hebrew calendar is written, see, for example, the dateline at the top of the Haaretz Online home page.

### Recent years

5772 (2011–12) = תשע״ב

5771 (2010–11) = תשע״א

5770 (2009–10) = תש"ע

5769 (2008–09) = ‫תשס״ט‬

5768 (2007–08) = ‫תשס״ח‬

5767 (2006–07) = ‫תשס״ז‎‬

5766 (2005–06) = ‫תשס״ו‎‬

5765 (2004–05) = ‫תשס״ה‎‬

## Similar systems

The Abjad numerals are equivalent to the Hebrew numerals up to 400. The Greek numerals differ from the Hebrew ones from 90 upwards because in the Greek alphabet there is no equivalent for Tsadi (צ).

• Significance of numbers of Judaism

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