17 (number)
| ||||
|---|---|---|---|---|
| Cardinal | seventeen | |||
| Ordinal | 17th (seventeenth) | |||
| Numeral system | septendecimal | |||
| Factorization | prime | |||
| Divisors | 1, 17 | |||
| Greek numeral | ΙΖ´ | |||
| Roman numeral | XVII | |||
| Binary | 100012 | |||
| Ternary | 1223 | |||
| Quaternary | 1014 | |||
| Quinary | 325 | |||
| Senary | 256 | |||
| Octal | 218 | |||
| Duodecimal | 1512 | |||
| Hexadecimal | 1116 | |||
| Vigesimal | H20 | |||
| Base 36 | H36 | |||
17 (also written as seventeen or ten-seven) is a number. It comes between sixteen and eighteen, and is an odd number. It is also the 7th prime number, after 2, 3, 5, 7, 11, and 13. In Italy, 17 is considered an unlucky number.
In Roman numerals, 17 is written as XVII.
