107
This number is a prime.
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The smallest nontrivial prime which equals the sum of
digits used in its first n powers. Here 107 =
sod(1071) + sod(1072) +
sod(1073) + sod(1074) +
sod(1075), where sod stands for sum of digits. [Gudipati]
Submitted: 2026-06-27 07:23:43; Last Modified: 2026-11-06 04:36:00.
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