434

This number is a composite.

Single Curio View:   (Seek other curios for this number)
The smallest composite number n which satisfy the equation sigma(n+2) = sigma(n)+2, where sigma(n) is sum of divisors of n. [Gupta]

Submitted: 2009-09-24 11:53:38;   Last Modified: 2009-09-24 14:05:04.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell