1000

This number is a composite.

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(11^11+22^22+33^33+44^44+55^55+66^66+77^77+88^88+99^99) minus 1000 is prime. [Bopardikar]

Submitted: 2013-05-25 09:55:16;   Last Modified: 2020-06-18 16:31:56.
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