2381
This number is a prime.
Just showing those entries submitted by 'Post': (Click here to show all)
The prime 2381 is the 35th Centered Square Number. Note that 35 = (2 + 3) x (8 - 1). [Post]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell