33444...99999 (38-digits)

This number is a prime.

                                   33444455 5556666667 7777778888 8888999999

Single Curio View:   (Seek other curios for this number)
The longest prime substring in 1 one, 2 twos, ..., 8 eights, and 9 nines. [Gaydos]

Submitted: 2017-12-23 15:16:33;   Last Modified: 2017-12-23 17:58:40.
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