10111001

This number is a prime.

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An anti-Yarborough prime (also an emirp) that can represent the dates in the format DDMMYYYY: {10:11:1001} ->10 Nov 1001; MMDDYYYY: {10:11:1001} -> Oct 11, 1001; YYYYMMDD: {1011:10:01} -> 1011, Oct 01. [Bajpai]

Submitted: 2020-07-09 11:20:36; Last Modified: 2020-07-09 14:46:57.