1257409
This number is a prime.
1257386 and 1257409 are the smallest pair of consecutive
happy numbers that together are pandigital. [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean
This number is a prime.
1257386 and 1257409 are the smallest pair of consecutive
happy numbers that together are pandigital. [Gaydos]