456

This number is a composite.

Single Curio View:   (Seek other curios for this number)
456 = sigma ( prime(4)^2 + prime(5)^2 + prime(6)^2 ). Note that 456 is the largest number with this property and there is only two numbers with this property. [Firoozbakht]

Submitted: 2004-09-03 05:04:58;   Last Modified: 2008-01-30 11:28:00.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell