30

This number is a composite.

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The smallest sphenic number, 2*3*5, that can also be represented as sum of two consecutive emirps, i.e., 13+17, is also an oblong number, i.e., 5*6. [Loungrides]

Submitted: 2018-01-12 13:14:39;   Last Modified: 2019-02-20 17:17:27.
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