18769...17689 (25-digits)

This number is a prime.

                                                 18769 1849618225 1795617689

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The only emirp formed from the reverse concatenation of five consecutive five-digit squares: {18769, 18496, 18225, 17956, 17689}. [Bajpai]

Submitted: 2019-06-09 01:49:25;   Last Modified: 2020-06-17 23:15:00.
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