[seqfan] Special primes
Antreas Hatzipolakis
anopolis72 at gmail.com
Sun Mar 3 21:04:01 CET 2019
It is said that this number is prime
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999*8*99999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
999999999999999999999999
99
Have these primes a name? And are there infinitely many of that kind?
APH
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