The book is now available! 4368
(another Prime Pages' Curiosity)
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4368 = pi(4! - 4) + pi(3! - 3) + pi(6! - 6) + pi(8! - 8). Note that 4368 is the only number with this property. [Firoozbakht]

 

  Submitted: 2007-12-10 08:21:00;   Last Modified: 2008-01-30 11:28:00.



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