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- Primeval_number abstract "In mathematics, a primeval number is a natural number n for which the number of prime numbers which can be obtained by permuting some or all of its digits (in base 10) is larger than the number of primes obtainable in the same way for any smaller natural number. Primeval numbers were first described by Mike Keith.The first few primeval numbers are1, 2, 13, 37, 107, 113, 137, 1013, 1037, 1079, 1237, 1367, ... (sequence A072857 in OEIS)The number of primes that can be obtained from the primeval numbers is0, 1, 3, 4, 5, 7, 11, 14, 19, 21, 26, 29, ... (sequence A076497 in OEIS)The largest number of primes that can be obtained from a primeval number with n digits is1, 4, 11, 31, 106, ... (sequence A076730 in OEIS)The smallest n-digit prime to achieve this number of primes is2, 37, 137, 1379, 13679, ... (sequence A134596 in OEIS)Primeval numbers can be composite. The first is 1037 = 17×61. A Primeval prime is a primeval number which is also a prime number:2, 13, 37, 107, 113, 137, 1013, 1237, 1367, 10079, ... (sequence A119535 in OEIS)The following table shows the first six primeval numbers with the obtainable primes and the number of them.".
- Primeval_number wikiPageExternalLink page.php?sort=Primeval.
- Primeval_number wikiPageExternalLink primeval.htm.
- Primeval_number wikiPageID "321936".
- Primeval_number wikiPageLength "1979".
- Primeval_number wikiPageOutDegree "14".
- Primeval_number wikiPageRevisionID "701416262".
- Primeval_number wikiPageWikiLink Category:Base-dependent_integer_sequences.
- Primeval_number wikiPageWikiLink Category:Prime_numbers.
- Primeval_number wikiPageWikiLink Composite_number.
- Primeval_number wikiPageWikiLink Decimal.
- Primeval_number wikiPageWikiLink Mathematics.
- Primeval_number wikiPageWikiLink Mike_Keith_(mathematician).
- Primeval_number wikiPageWikiLink Natural_number.
- Primeval_number wikiPageWikiLink Numerical_digit.
- Primeval_number wikiPageWikiLink Permutable_prime.
- Primeval_number wikiPageWikiLink Permutation.
- Primeval_number wikiPageWikiLink Prime_Pages.
- Primeval_number wikiPageWikiLink Prime_number.
- Primeval_number wikiPageWikiLink Truncatable_prime.
- Primeval_number wikiPageWikiLinkText "Primeval number".
- Primeval_number wikiPageWikiLinkText "primeval number".
- Primeval_number wikiPageUsesTemplate Template:Classes_of_natural_numbers.
- Primeval_number wikiPageUsesTemplate Template:OEIS.
- Primeval_number subject Category:Base-dependent_integer_sequences.
- Primeval_number subject Category:Prime_numbers.
- Primeval_number hypernym N.
- Primeval_number type Band.
- Primeval_number type Redirect.
- Primeval_number comment "In mathematics, a primeval number is a natural number n for which the number of prime numbers which can be obtained by permuting some or all of its digits (in base 10) is larger than the number of primes obtainable in the same way for any smaller natural number. Primeval numbers were first described by Mike Keith.The first few primeval numbers are1, 2, 13, 37, 107, 113, 137, 1013, 1037, 1079, 1237, 1367, ...".
- Primeval_number label "Primeval number".
- Primeval_number sameAs Q2743467.
- Primeval_number sameAs m.01vmhd.
- Primeval_number sameAs Q2743467.
- Primeval_number sameAs 原始數.
- Primeval_number wasDerivedFrom Primeval_number?oldid=701416262.
- Primeval_number isPrimaryTopicOf Primeval_number.