67661
This number is a composite.
Single Curio View: (Seek other curios for this number)
67661 = prime(6!+6!2) + prime(7!+7!2) + prime(6!+6!2) + prime(6!+6!2) + prime(1!+1!2). Note that 67661 is the only number with this property. [Firoozbakht]
Submitted: 2004-08-24 14:16:26; Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell