485398038695407
This number is a prime.
48539 8038695407
The concatenation 11011100...11112 from 1
through 15 in the binary numeral system is prime. [Poo Sung]
(There is one curio for this number that has not yet been approved by an editor.)
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell