The book is now available! 916
(another Prime Pages' Curiosity)
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When 916 is raised to the sum of its digits and increased by one, the result is prime (i.e., 916^(9+1+6)+1 is prime). It is the largest such 3-digit number. [Opao]

 

  Submitted: 2003-11-19 21:09:54;   Last Modified: 2008-01-30 11:28:00.



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