The book is now available! 20022002
(another Prime Pages' Curiosity)
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The prime factorization of 20022002 is 2 x 7 x 11 x 13 x 73 x 137, which when grouped thus, 2 x 11, 13 x 73, and 7 x 137, yield 3 palindromic semi-primes: 22, 949, and 959. [Trotter]

 

  Submitted: 2002-01-08 12:13:25;   Last Modified: 2008-01-30 11:28:00.



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