121

This number is a composite.

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The smallest three-digit number such that the sum of the values that result by placing the exponentation symbol (^) between any two consecutive digits is prime (i.e., 1^21+12^1 is prime.) [Opao]

Submitted: 2005-04-12 09:32:11;   Last Modified: 2009-03-16 19:19:29.
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