7237

This number is a prime.

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The smallest prime, (and the only prime-digit prime), that can be expressed as sum of powers using all the odd-digits as bases and all the even digits as exponents, i.e., 1^6+3^8+5^4+7^2+9^0. [Loungrides]

Submitted: 2012-09-01 09:22:45;   Last Modified: 2018-02-23 13:48:51.
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