This number is a composite.

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The only invertible 2-sphenic number (1909 = 23 x 83) is a brilliant number with the concatenation in the order of its prime factors, i.e. 2383, being a prime. [Loungrides]

Submitted: 2020-12-12 06:21:34;   Last Modified: 2022-03-04 15:33:43.
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