Английская Википедия:76 (number)
Материал из Онлайн справочника
Перейти к навигацииПерейти к поиску
Шаблон:Infobox number 76 (seventy-six) is the natural number following 75 and preceding 77.
In mathematics
76 is:
- a composite number; a square-prime, of the form (p2, q) where q is a higher prime. It is the ninth of this general form and the seventh of the form (22.q).
- a Lucas number.[1]
- a telephone or involution number, the number of different ways of connecting 6 points with pairwise connections.[2]
- a nontotient.[3]
- a 14-gonal number.[4]
- a centered pentagonal number.[5]
- an Erdős–Woods number since it is possible to find sequences of 76 consecutive integers such that each inner member shares a factor with either the first or the last member.[6]
- with an aliquot sum of 64; within an aliquot sequence of two composite numbers (76,64,63,1,0) to the Prime in the 63-aliquot tree.
- an automorphic number in base 10.[7] It is one of two 2-digit numbers whose square, 5,776, and higher powers, end in the same two digits. The other is Шаблон:Num.
There are 76 unique compact uniform hyperbolic honeycombs in the third dimension that are generated from Wythoff constructions.
In science
- The atomic number of osmium.
- The Little Dumbbell Nebula in the constellation Pegasus is designated as Messier object 76 (M76).
In other fields
Seventy-six is also:
- In colloquial American parlance, reference to 1776, the year of the signing of the United States Declaration of Independence.
- Seventy-Six, an 1823 novel by American writer John Neal.
- The Spirit of '76, patriotic painting by Archibald MacNeal Willard.
- A brand of ConocoPhillips gas stations, 76.
- The number of trombonists leading the parade in "Seventy-Six Trombones", from Meredith Willson's musical The Music Man.
- The 76ers, a professional basketball team based in Philadelphia.
- 76, the debut album of Dutch trance producer and DJ Armin van Buuren.
- Years like 1876 and 1976
- Fallout 76, a 2018 game by Bethesda Studios.
See also
References
