The book is now available! 67673
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
+ 67673 = prime(6*7*6*7*3) + sigma(6*7*6*7*3). [Javadifar]

  To link to this page use /curios/page.php?number_id=9220



Prime Curios! © 2000-2014 (all rights reserved)