19 (number)
19 (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).
| ||||
|---|---|---|---|---|
| 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
Centered triangular number 19
A 19x19 Go board
