The book is now available! 328628315459
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
                                                               32 8628315459
Single Curio View:   (Seek other curios for this number)

 

Starting at 328628315459 there are 13 consecutive primes p for which p+2 is a semiprime. This is the longest known sequence (as of 2009) of consecutive primes which are Chen primes without being twin primes. [Andersen]

 

  Submitted: 2009-09-11 06:46:43;   Last Modified: 2014-08-30 10:16:45.



Prime Curios! © 2000-2017 (all rights reserved)