191681099

This number is a prime.

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The smallest invertible prime, containing all of the invertible digits, that is the sum of the first n nonprime numbers, i.e., (1+4+6+...+20698+20699), (case n=18369 ). [Bajpai]

Submitted: 2018-10-23 20:50:51; Last Modified: 2018-10-23 21:39:51.