| Number | 269 |
|---|---|
| Prime | yes |
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,[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]
In other fields
- Calf 269 was a calf that rose to fame after being rescued by Israeli activists in 2012.[5] As a result, numerous people branded the number "269" into their bodies over 2012 and 2013.[6]
References
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- ^ Ahituv, Netta (21 March 2013). "The Israeli Calf That Started a Mass Tattoo Movement". Haaretz
- ^ Laylin, Tafline (4 April 2013). "269life Activists Etch and Burn White Calf Branding Number Into Skin". Green Prophet. Archived from the original on 8 April 2013.