This number is a prime.
8888888 8777777766 6666555554 4443332211
Single Curio View: (Seek other curios for this number)The concatenation in descending order of first eight positive digits using d times each digit d and then followed by 1 is prime. [Loungrides]
Submitted: 2015-10-10 10:32:33; Last Modified: 2019-01-15 13:06:15.
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