12 (number)
12 (also written as 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. It is often called dozen.
| ||||
---|---|---|---|---|
Cardinal | twelve | |||
Ordinal | 12th (twelfth) | |||
Factorization | 22· 3 | |||
Roman numeral | XII | |||
Greek prefix | dodeca-/dodeka- | |||
Latin prefix | duodeca- | |||
Binary | 11002 | |||
Ternary | 1103 | |||
Quaternary | 304 | |||
Quinary | 225 | |||
Senary | 206 | |||
Octal | 148 | |||
Duodecimal | 1012 | |||
Hexadecimal | C16 | |||
Vigesimal | C20 | |||
Base 36 | C36 |
12 is also referred to as, The Twelve Imams or the Twelve Apostles of Christ
Mathematics
- Twelve is the first abundant number.[1]
12 (number) Media
Image of the globular cluster Messier 12 by Hubble Space Telescope
12 stars are featured on the Flag of Europe.