3121
This number is a prime.
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The smallest emirp hypotenuse of a right triangle that also
has an emirp leg. In the Pythogorean triple (79, 3120,
3121) both 79 and 3121 are emirps. [Gudipati]
Submitted: 2026-06-09 02:38:59; Last Modified: 2026-06-09 02:39:50.
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