36101521
This number is a prime.
The smallest prime formed from concatenation of five
consecutive triangular numbers, i.e., 3, 6, 10, 15, and 21. [Gupta]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The smallest prime formed from concatenation of five
consecutive triangular numbers, i.e., 3, 6, 10, 15, and 21. [Gupta]