43

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The largest natural number n such that the sum of the digits of n2 is not smaller than n/2. [Capelle]

Submitted: 2009-09-18 04:54:43;   Last Modified: 2009-09-18 06:37:19.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell