 |
2 (another Prime Pages' Curiosity) |
|
|
|
Curios:
Curios Search:
Participate: 
|
Single Curio View: (Seek other curios for this number) The only known number n such that the sum of the proper divisors of n is equal to phi(n). [Firoozbakht]
Submitted: 2008-01-12 06:27:54; Last Modified: 2008-01-30 11:28:00.
Prime Curios! © 1999-2012 (all rights
reserved)
|