The book is now available! 3
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

Uniquely, 3 is the only prime whose powers (greater than 1) all have a digital root which is its own square. The simple proof is a direct consequence of the divisibility rule. [King]

 

  Submitted: 2010-02-05 10:15:04;   Last Modified: 2010-02-05 11:25:29.



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