16561

This number is a prime.

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The smallest palindromic prime consisting of the digits in which biquadrates of positive digits end. It is also the sum of biquadrates of two successive numbers, i.e., 9^4+10^4. [Loungrides]

Submitted: 2018-02-16 00:27:16;   Last Modified: 2019-06-18 19:36:22.
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