The book is now available! 1223
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

Single Curio View:   (Seek other curios for this number)


The larger of only two non-titanic primes p, that is the product of a repunit number and all truncations of itself plus two, i.e., 111*11*1+2. Note that the other such prime, 11*1+2, is also emirp. [Loungrides]


  Submitted: 2017-07-20 07:09:43;   Last Modified: 2017-07-21 12:47:06.

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