Chen prime
短语词形变化
Chen primes
复数
Chen primes
释义与例句
n.
-
1.
Any prime number p such that p+2 is either a semiprime or another prime.
数学2013, Laura Hemphill, Buying In, Haughton Mifflin Harcourt (New Harvest), page 278, She tried counting Chen primes. 2, 3, 5... 7, 11... 13... 17... She couldn't concentrate.
词源
Named after Chinese mathematician Chen Jingrun, who proved in 1966 that there are infinitely many such numbers.
来源:wiktionary