17 (number) - Simple English Wikipedia, the free encyclopedia
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Cardinal | seventeen | |||
Ordinal | 17th (seventeenth) | |||
Numeral system | septendecimal | |||
Factorization | prime | |||
Prime | 7th | |||
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 (seventeen) 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 ordinal, It is 17th (seventeenth). In Italy, 17 is considered an unlucky number.
In Roman numerals, 17 is written as XVII.