136101521
This number is a prime.
A prime formed by the first six consecutive triangular numbers. Note that 6 is also triangular. [Wu]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean
This number is a prime.
A prime formed by the first six consecutive triangular numbers. Note that 6 is also triangular. [Wu]