The book is now available! 1657
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

1657 = prime( (1*6*5*7) + (1+6+5+7) ) + (1*6*5*7). Note that the prime 1657 is the only number less than 10^7 with this property. [Firoozbakht]

 

  Submitted: 2004-09-05 09:50:09;   Last Modified: 2008-01-30 11:28:00.



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