7777
This number is a composite.
Single Curio View: (Seek other curios for this number)
7777 = 6^5 + 1 is probably the only repdigit number of the
form (p+1)^p+1 where p is prime. Also, it is probably the
only multidigit repdigit number of the form (n+1)^n+1. [Firoozbakht]
Submitted: 2009-06-06 09:59:47; Last Modified: 2009-06-06 13:32:01.
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