17 (number)

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16 17 18
Cardinal seventeen
Ordinal 17th
(seventeenth)
Factorization prime
Divisors 1, 17
Roman numeral XVII
Binary 100012
Ternary 1223
Quaternary 1014
Quinary 325
Senary 256
Octal 218
Duodecimal 1512
Hexadecimal 1116
Vigesimal H20
Base 36 H36

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 Roman numerals, 17 is written as XVII.