|
|
|
Curios:
Curios Search:
Participate: |
Single Curio View: (Seek other curios for this number) The only known multidigit number n such that sigma(n) is the reversal of prime(n). [Capelle]
Submitted: 2005-10-09 05:12:41; Last Modified: 2011-08-01 12:35:03.
Prime Curios! © 1999-2012 (all rights
reserved)
|