139
This number is a prime.
Single Curio View: (Seek other curios for this number)
139 = 9*8+7*6+5*4+3*2-1. [Silva]
Submitted: 2009-03-19 23:55:58; Last Modified: 2009-03-20 00:10:58.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell