269 (number)

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← 268 269 270 →
Cardinal two hundred sixty-nine
Ordinal 269th
(two hundred sixty-ninth)
Factorization prime
Prime yes
Greek numeral ΣΞΘ´
Roman numeral CCLXIX
Binary 1000011012
Ternary 1002223
Quaternary 100314
Quinary 20345
Senary 11256
Octal 4158
Duodecimal 1A512
Hexadecimal 10D16
Vigesimal D920
Base 36 7H36

269 (two hundred [and] sixty-nine) is the natural number between 268 and 270. It is also a prime number.

In mathematics[edit]

269 is a twin prime,[1] and a Ramanujan prime.[2] It is the largest prime factor of 9! + 1 = 362881,[3] and the smallest natural number that cannot be represented as the determinant of a 10 × 10 (0,1)-matrix.[4]

See also[edit]

References[edit]