The book is now available! 488881
(another Prime Pages' Curiosity)
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A Carmichael number whose sum of digits and smallest prime factor are equal: 488881 = 37*73*181. Note that the two smallest factors are emirps. [Patterson]

 

  Submitted: 2003-07-10 20:11:07;   Last Modified: 2008-01-30 11:28:00.



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