The book is now available! 97
(another Prime Pages' Curiosity)
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97 = pi(pi(9)^pi(9) + pi(7)^pi(7)). Note that the prime 97 is the only integer with this property. [Firoozbakht]

 

  Submitted: 2004-09-03 00:12:33;   Last Modified: 2008-01-30 11:28:00.



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