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Date: 29-11-2020
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Date: 25-3-2020
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Date: 17-9-2020
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A positive integer is a veryprime iff all primes
satisfy
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(1) |
The weak veryprimes are then 2, 3, 5, 7, 11, 13, 17, 19, 23, 37, 43, 47, 53, 67, 73, 103, 107, 137, 157, 173, 227, 347, 487, 773, ... (OEIS A050264), the strong veryprimes are 2, 3, 5, 7, 11, 13, 17, 19, 23, 37, 43, 47, 53, 67, 73, 137, 227, ..., and the very strong veryprimes are 2, 3, 5, 7, 11, 13, 17, 19, 23, 37, 43, 47, 53, 67, 73, 137, ..., with no others in the first primes.
REFERENCES:
Ferry, J. "RE: Veryprimes defined." sci.math posting, 09 Sep 1999.
Sloane, N. J. A. Sequence A050264 in "The On-Line Encyclopedia of Integer Sequences."
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