1273
This number is a composite.
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The smallest 4-digit tnaillirb, i.e., a brilliant number whose reversal is a different brilliant number, i.e., 1273=19 * 67 and 3721 = 61^2. [Loungrides]
Submitted: 2015-04-02 13:29:28; Last Modified: 2020-07-14 12:02:09.
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