32

This number is a composite.

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Half of this reversal of a prime may be had by turning its first digit (2nd prime) into a tetration superscript (32=16), while the index of that prime comes by turning the second digit (1st prime) into an exponent (32=9, with 23=p9). [Merickel]

Submitted: 2012-04-24 18:17:39;   Last Modified: 2012-05-31 17:33:25.
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