The book is now available! 1255
(another Prime Pages' Curiosity)
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1255 is the smallest composite number such that the digits in its prime factors coincide exactly with the number itself (1255 = 5 * 251). [Heleen]

 

  Submitted: 2003-12-19 18:12:38;   Last Modified: 2008-01-30 11:28:00.



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