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 | |||
| Greek numeral | ΙΒ´ | |||
| 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 | |||
The Simple English Wiktionary has a definition for:
twelve.
12 is also referred to as, The Twelve Imams or the Twelve Apostles of Christ
Mathematics
- Twelve is the first abundant number.[1]
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