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This number is a prime.
Single Curio View: (Seek other curios for this number)The only emirp formed by inserting the digit sequence in descending order, i.e., 9, 8, … , 1, 0, between a double-digit number n and its reversal R(n), case n=10. [Loungrides]
Submitted: 2015-10-04 08:16:00; Last Modified: 2018-05-09 08:06:06.
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