999999503

This number is a prime.

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The largest nine-digit prime such that prime(9+9+9+9+9+9+5+0+3) + π(9+9+9+9+9+9+5+0+3) is also prime. [Bajpai]

Submitted: 2019-06-28 14:15:29;   Last Modified: 2020-06-17 08:09:13.
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