The book is now available! 11112222222222222222211
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 
Participate:
                                                   111 1222222222 2222222211
+ R(23) + R(19) - R(2) is prime. Note that R(2), R(19), and R(23), are the first three repunit primes. [Wesolowski]

  To link to this page use http://primes.utm.edu/curios/page.php?number_id=7347



Prime Curios! © 1999-2009 (all rights reserved)