19 (number)
Nineteen is a number. It comes between eighteen and twenty, and is an odd number. It is also the 8th prime number, after 2, 3, 5, 7, 11, 13, and 17. In Ordinal It’s 19th (nineteenth).
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Cardinal | nineteen | |||
Ordinal | 19th (nineteenth) | |||
Factorization | prime | |||
Prime | 8th | |||
Divisors | 1, 19 | |||
Roman numeral | XIX | |||
Binary | 100112 | |||
Ternary | 2013 | |||
Quaternary | 1034 | |||
Quinary | 345 | |||
Senary | 316 | |||
Octal | 238 | |||
Duodecimal | 1712 | |||
Hexadecimal | 1316 | |||
Vigesimal | J20 | |||
Base 36 | J36 |
In Roman numerals, 19 is written as XIX.
19 (number) Media
A 19x19 Go board