12 (number)

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11 12 13
Cardinaltwelve
Ordinal12th
(twelfth)
Factorization22· 3
Roman numeralXII
Greek prefixdodeca-/dodeka-
Latin prefixduodeca-
Binary11002
Ternary1103
Quaternary304
Quinary225
Senary206
Octal148
Duodecimal1012
HexadecimalC16
VigesimalC20
Base 36C36

Twelve is a number. It comes between eleven and thirteen, and it is an even number. It is divisible by 1, 2, 3, 4, 6, and 12. Its ordinal is 12th (twelfth). In Roman numerals, it is written as XII. It is the base of duodecimal numbers.

Mathematics[change | change source]

References[change | change source]

  1. [1],