This number is a composite.
Single Curio View: (Seek other curios for this number)818 is the only 3-digit tetradic integer such that the sum of the differences of the number and each digit raised to the digit is prime. I.e., (818-8)^8+(818-1)^1+(818-8)^8 is prime. [Opao]
Submitted: 2003-12-08 20:50:49; Last Modified: 2008-01-30 11:28:00.
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