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by cecilpl
3742 days ago
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I wrote a program to count the pairs of adjacent last-digit occurrences in all bases up to 30, for the first 100 million primes, and found this property nearly always holds. Quite interestingly, in all of the few cases where this doesn't hold, primes ending in the digit D are least-frequently succeeded by a prime ending in the digit D-2. |
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