44560482149
This number is a prime.
4 4560482149
The fifth odd prime Pell number is also a double Pell number of the first odd prime Pell number. The first odd prime Pell number is 5, P(5) = 29, and P(P(5)) = P(29) = 44560482149.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell