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 09:16:26;   Last Modified: 2008-01-30 11:28:00.
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