The book is now available! 4
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

4 is the largest number m such that prime(m) = sigma(m). [Firoozbakht]

 

  Submitted: 2004-08-27 01:43:24;   Last Modified: 2008-01-30 11:28:00.



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