79 (number)

From HandWiki
Short description: Natural number
← 78 79 80 →
Cardinalseventy-nine
Ordinal79th
(seventy-ninth)
Factorizationprime
Prime22nd
Divisors1, 79
Greek numeralΟΘ´
Roman numeralLXXIX
Binary10011112
Ternary22213
Quaternary10334
Quinary3045
Senary2116
Octal1178
Duodecimal6712
Hexadecimal4F16
Vigesimal3J20
Base 362736

79 (seventy-nine) is the natural number following 78 and preceding 80.

In mathematics

79 is:

In science

Signage for table 79 at a restaurant

In astronomy

In other fields

See also: List of highways numbered 79
  • Live Seventy Nine, an album by Hawkwind
  • The years 79 BC, AD 79 or 1979
  • The number of the French department Deux-Sèvres
  • The ASCII code of the capital letter O

References

  1. Sloane, N. J. A., ed. "Sequence A007510 (Single (or isolated or non-twin) primes: Primes p such that neither p-2 nor p+2 is prime.)". OEIS Foundation. https://oeis.org/A007510. Retrieved 2022-12-05. 
  2. H. Cohen, A Course in Computational Algebraic Number Theory, GTM 138, Springer Verlag (1993), Appendix B2, p.507. The table lists fields by discriminant, which is 4p for Q[p] when p is congruent to 3 modulo 4, as is the case for 79, so the entry appears at discriminant 316.
  3. "Sloane's A006567 : Emirps". OEIS Foundation. https://oeis.org/A006567. 
  4. "Sloane's A046066 : Fortunate primes". OEIS Foundation. https://oeis.org/A046066. 
  5. Numbers such that every cyclic permutation is a prime.
  6. "Sloane's A035497 : Happy primes". OEIS Foundation. https://oeis.org/A035497. 
  7. "Sloane's A007459 : Higgs' primes". OEIS Foundation. https://oeis.org/A007459. 
  8. "Sloane's A031157 : Numbers that are both lucky and prime". OEIS Foundation. https://oeis.org/A031157. 
  9. "Sloane's A063980 : Pillai primes". OEIS Foundation. https://oeis.org/A063980. 
  10. "Sloane's A007703 : Regular primes". OEIS Foundation. https://oeis.org/A007703.