4481

This number is a prime.

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A prime made from perfect power digits that is the average of two 4th powers made from its 2 rightmost digits: ((7^4)+(9^4))/2 = (((8-1)^4)+(8+1)^4)/2. [Post]

Submitted: 2009-06-06 10:47:41;   Last Modified: 2009-06-06 11:22:40.
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