100689

This number is a composite.

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The smallest emirpimes containing all of the invertible digits {0, 1, 6, 8, 9} such when rotated by 180 degrees becomes a "reversible sphenic number" (689001). [Bajpai]

Submitted: 2020-08-01 13:13:00;   Last Modified: 2020-08-01 13:39:31.
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