89231
This number is a prime.
The digit 3 appears exactly 89231 times in the first 89231
triangular numbers. [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The digit 3 appears exactly 89231 times in the first 89231
triangular numbers. [Gaydos]