19483
This number is a prime.
The sum of the first 19483 happy numbers (1284573069) is
the smallest pandigital sum of the first n happy numbers. [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The sum of the first 19483 happy numbers (1284573069) is
the smallest pandigital sum of the first n happy numbers. [Gaydos]