99999999944441

This number is a prime.

                                                             9999 9999944441

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The reverse concatenation of the first three squares as many times is a prime and its digit reversal 14444999999999 is also an emirp. [Murthy]

Submitted: 2002-04-17 15:16:52;   Last Modified: 2008-10-02 14:42:53.
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