The book is now available! 117
(another Prime Pages' Curiosity)
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117 = (1!2 + 1!2 + 7!2) + (pi(1)!2 + pi(1)!2 + pi(7)!2). Note that 117 is the only number with this property. [Firoozbakht]

 

  Submitted: 2004-08-16 08:00:33;   Last Modified: 2008-01-30 11:28:00.



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