7667

This number is a composite.

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The only 4-digit 2-sphenic palindrome that is transformed into another 2-sphenic palindrome upon the insertion of a single 0 in the middle, i.e., 7667 = 11 × 17 × 41 and 76067 = 29 × 43 × 61. [Loungrides]

Submitted: 2017-08-01 15:16:31;   Last Modified: 2020-02-08 15:08:09.
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