4027
This number is a prime.
Single Curio View: (Seek other curios for this number)
The sum of the first 4027 triangular numbers (10892237654)
is the smallest pandigital sum of the first n triangular
numbers. [Gaydos]
Submitted: 2018-07-30 14:43:35; Last Modified: 2018-07-30 14:45:46.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell