9503

This number is a composite.

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The larger of only two 4-digit 2-sphenic Harshad numbers, i.e., 9503 = 13 × 17 × 43. Note that the concatenation in order of its prime factors, i.e., 131743, is an emirp. The smaller one is 4807=11 x 19 x 23. [Loungrides]

Submitted: 2020-06-01 06:25:37;   Last Modified: 2020-06-01 09:55:42.
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