11115...11111 (32-digits)

This number is a prime.

                                         11 1155151151 1111010101 1011111111

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Prime number formed by concatenating individual digits of Roman numerals on a clock dial starting at 4 o'clock. [Barnes]

Submitted: 2020-01-31 21:32:05;   Last Modified: 2020-01-31 21:42:42.
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