This number is a prime.
Single Curio View: (Seek other curios for this number)Uniquely, 3 is the only prime whose powers (greater than 1) all have a digital root which is its own square. The simple proof is a direct consequence of the divisibility rule. [King]
Submitted: 2010-02-05 10:15:04; Last Modified: 2010-02-05 11:25:29.
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