12641
This number is a prime.
An emirp with both values center squared, i.e, 12641 = 79^2 + 80^2 and 14621 = 85^2 + 86^2. [Adams]
The smallest emirp using all the all-Niven numbers. [Loungrides]
(There are 2 curios for this number that have not yet been approved by an editor.)
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