3

← 2 3 4 →
−1 0 1 2 3 4 5 6 7 8 9
Cardinalthree
Ordinal3rd
(third)
Numeral systemternary
Factorizationprime
Prime2nd
Divisors1, 3
Greek numeralΓ´
Roman numeralIII, iii
Greek prefixtri-
Latin prefixtre-/ter-
Binary112
Ternary103
Senary36
Octal38
Duodecimal312
Hexadecimal316
Arabic, Kurdish, Persian, Sindhi, Urdu٣
Bengali, Assamese
Chinese三,弎,叄
Devanāgarī
Ge'ez
Greekγ (or Γ)
Hebrewג
Japanese三/参
Khmer
ArmenianԳ
Malayalam
Tamil
Telugu
Kannada
Thai
N'Ko߃
Lao
GeorgianႢ/ⴂ/გ (Gani)
Babylonian numeral𒐗
Maya numerals•••
Morse code... _ _

3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number. It has religious and cultural significance in many societies.