例文
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- As a repunit, it also follows that 111 is a palindromic number.
- :Such a number is seven times a repunit.
- It is conjectured that there are no non-repunit permutable primes other than those listed above.
- Recently, the smallest repunit probable prime in base 152 was found, it has 589570 digits.
- It is also the smallest Wieferich prime . 1093 is a repunit prime in base 3 because: