269 (number)

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

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

In other fields

 * Interstate 269 is a highway in Mississippi and Tennessee, opened in 2018.
 * Calf 269 was a calf that rose to fame after being rescued by Israeli activists in 2012. As a result, numerous people branded the number "269" into their bodies over 2012 and 2013.
 * Missouri Route 269 is a short state highway near Kansas City, Missouri, U.S.
 * +269 is the country code for Comoros, a country off the coast of Africa.
 * Area code 269 is the area code for much of southwest Michigan.