This number is a prime.
The smallest prime that can be represented as the sum of the numbers formed by repeating twice each of first n composite numbers, 4, 6, 8, 9, 10, (n=5), i.e., 1307 = 44 + 66 + 88 + 99 + 1010. [Loungrides]
(There are 2 curios for this number that have not yet been approved by an editor.)
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