269 (number)

269 is the natural number between 268 and 270. It is also a prime number.

Ordinal Two hundred [and]
sixty-nine
Cardinal 269th
Factorization prime number
Roman numeral CCLXIX
Binary 100001101
Hexadecimal 10D

Contents

In mathematics

269 is a regular prime, an Eisenstein prime with no imaginary part, a long prime, a Chen prime, a Pillai prime, a Pythagorean prime, a twin prime, a sexy prime, a Higgs prime, a strong prime, and a highly cototient number.

In music

Hawkmoon 269 by Irish rock band U2

Calenders

In non-leap years, 26 September (26/9) is the 269th day of the year. This works for no other date.

See also