1427

This number is a prime.

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There are exactly 1427 amicable pairs whose members have ten or less digits. Note that 1427 itself belongs both to a twin prime pair (1427, 1429) and to a cousin prime pair (1423, 1427). [Beedassy]

Submitted: 2010-01-13 13:45:40;   Last Modified: 2010-01-13 20:16:13.
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