1621
This number is a prime.
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The smallest prime whose the reversal is a brilliant number equal to the product of two double-digit emirps, i.e., R(1621)=1261=13*97. Can you find the only other such prime? [Loungrides]
Submitted: 2010-07-08 12:23:47; Last Modified: 2017-12-30 16:59:32.
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