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The second smallest prime (the first one is palprime 727) whose square (1397331252013973312521) is a near-tautonymic number, i.e., in this case a concatenation of two successive numbers (13973312520 and 13973312521). [De Geest]


  Submitted: 2003-11-29 21:30:59;   Last Modified: 2008-01-30 11:28:00.

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