11 (number) - Simple English Wikipedia, the free encyclopedia
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Cardinal | eleven, 'leven, oneteen, enteen | |||
Ordinal | 11th (eleventh, 'leventh, oneteenth, enteenth) | |||
Factorization | prime | |||
Prime | 5th | |||
Divisors | 1, 11 | |||
Greek numeral | ΙΑ´ | |||
Roman numeral | XI | |||
Greek prefix | hendeca-/hendeka- | |||
Latin prefix | undeca- | |||
Binary | 10112 | |||
Ternary | 1023 | |||
Quaternary | 234 | |||
Quinary | 215 | |||
Senary | 156 | |||
Octal | 138 | |||
Duodecimal | B12 | |||
Hexadecimal | B16 | |||
Vigesimal | B20 | |||
Base 36 | B36 | |||
Hebrew numeral | יא |
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11 (eleven /ɪˈlɛvən/ (listen) or /iˈlɛvən/) is a number. It comes between ten and twelve, is an odd number, and is the 5th prime number, after 2, 3, 5, and 7.
In Roman numerals 11 is written as XI.