This number is a composite.

                                                             8888 8888888888

Single Curio View:   (Seek other curios for this number)
The only fourteen-digit repdigit such that the difference of all truncations of itself from itself minus one, i.e., 88888888888888–8888888888888–888888888888–88888888888–8888888888–888888888–88888888–8888888–888888–88888–8888–888–88–8-1 = 79012345679023 is prime. [Bajpai]

Submitted: 2019-09-26 17:08:02;   Last Modified: 2019-09-26 20:01:30.
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