164

This number is a composite.

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With 164 we can form 3 2-digits numbers. Those 3 numbers ± 3 are all prime (16 + 3 = 19, 16 - 3 = 13, 14 + 3 = 17, 14 - 3 = 11, 64 + 3 = 67, 64 - 3 = 61). [Russo]

Submitted: 2001-08-03 10:21:05;   Last Modified: 2008-01-30 11:28:00.
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