The book is now available! 139968
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

139968 = phi((1*3*9*9*6*8)*(1+3+9+9+6+8)) = (1*3*9*9*6*8) * phi(1+3+9+9+6+8) = (1+3+9+9+6+8) * phi(1*3*9*9*6*8). [Firoozbakht]

 

  Submitted: 2009-09-20 18:45:21;   Last Modified: 2009-09-20 18:46:01.



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