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This number is a composite.
Single Curio View: (Seek other curios for this number)The smallest brilliant number, 17947 = 131 * 137, whose the reversal is a 2-sphenic number, with all its prime factors being double-digit emirps, i.e., 74971 = 13 * 73 * 79. [Loungrides]
Submitted: 2010-07-13 14:07:17; Last Modified: 2018-12-25 14:12:24.
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