The book is now available! 4708
(another Prime Pages' Curiosity)
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4708 = pi(4!+7!+0!+8!). Note that 4708 is the second and only multi-digit number with this property. [Firoozbakht]

 

  Submitted: 2004-09-01 11:58:03;   Last Modified: 2008-01-30 11:28:00.



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