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(another Prime Pages' Curiosity)
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There are eighty-nine nine-digit palindromic primes wherein the members of a pair of four-digit reversal primes are separated by a prime digit, as in 103323301. [De Geest]

 

  Submitted: 1999-09-02 18:40:00;   Last Modified: 2008-01-30 11:28:00.



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