4198399
This number is a composite.
The smallest Kynea brilliant number of form 4^n + 2^(n+1) - 1 for n=11, i.e., 4^11 + 2^12 - 1 = 1399 *
3001. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
The smallest Kynea brilliant number of form 4^n + 2^(n+1) - 1 for n=11, i.e., 4^11 + 2^12 - 1 = 1399 *
3001. [Loungrides]