9889

This number is a composite.

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The only 2-sphenic palindrome composite-digit number, i.e., 9889 = 11 x 29 x 31. Note that a concatenation of its prime factors, (11, 31, 29), is also a 2-sphenic number, i.e., 113129 = 29 × 47 × 83. [Loungrides]

Submitted: 2019-06-23 14:07:09;   Last Modified: 2020-10-06 06:31:01.
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