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This number is a prime.
49 9887766554 4332211001
Single Curio View: (Seek other curios for this number)The only prime formed by inserting between the digits of a double-digit number, the concatenation in reverse order of all the repdigit double-digit numbers 99, 88, ..., 11, 00. [Loungrides]
Submitted: 2020-02-09 08:12:12; Last Modified: 2020-02-09 15:51:25.
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