This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

+ The smallest prime that can be represented as sum of squares of first n successive numbers ending with the same digit, i.e., 1^2+11^2+21^2, (n=3). [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell