1909

This number is a composite.

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The only brilliant number, (1909 = 23 × 83), whose the inverted number is a 2-Sphenic number, i.e., 6061 = 11 × 19 × 29. [Loungrides]

Submitted: 2019-02-01 03:41:47;   Last Modified: 2019-04-14 10:44:51.
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