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2222222222 2222222222 2222222222 2222222222 2222222222 2222222222 2222222222
2222222222 2222222222 2222222222 2222222222 2222222222 2222222222 2222222221
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If we call this number p, then the sum of the digits of this near rep-digit prime is prime, as well as 4*p+3 is another near rep-digit prime. [Patterson]

 

  Submitted: 2002-08-08 07:18:20;   Last Modified: 2008-01-30 11:28:00.



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