155

This number is a composite.

Single Curio View:   (Seek other curios for this number)
155 = prime(1+5+5) * π(1+5+5). It is the smallest number of this form. [Bajpai]

Submitted: 2013-04-13 11:42:15;   Last Modified: 2013-04-13 15:38:34.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell