74 (number)
74 (seventy-four) is the natural number following 73 and preceding 75.
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| Cardinal | seventy-four | |||
| Ordinal | 74th (seventy-fourth) | |||
| Factorization | 2 × 37 | |||
| Divisors | 1, 2, 37, 74 | |||
| Greek numeral | ΟΔ´ | |||
| Roman numeral | LXXIV | |||
| Binary | 10010102 | |||
| Ternary | 22023 | |||
| Octal | 1128 | |||
| Duodecimal | 6212 | |||
| Hexadecimal | 4A16 | |||
In mathematics
74 is:
- the twenty-first distinct semiprime and the eleventh of the form 2×q.
- a palindromic number in bases 6 (2026) and 36 (2236).
- a nontotient.[1]
There are 74 different non-Hamiltonian polyhedra with a minimum number of vertices.[2]
In science
- The atomic number of tungsten
In astronomy
- Messier object M74, a magnitude 10.5 spiral galaxy in the constellation Pisces.
- The New General Catalogue object NGC 74, a galaxy in the constellation Andromeda.
In music
- Seventy-four, one of the Number Pieces by John Cage
In bus routes
In the Merseyside, England, Seventy-four is the bus route that runs from Halewood to Liverpool Town Centre.
In Chicago, "74" is the Fullerton bus which runs from Lincoln Park to Belmont Cragin.
London Buses route 74 is a Transport for London contracted bus route in London, England. Running between Baker Street station and Putney, it is operated by London General.
In other fields
Seventy-four is also:
- The year AD 74, 74 BC, or 1974
- Designates the 7400 series of Integrated Chips. 74xx xx=00-4538
- A seventy-four was a third-rate warship with 74 guns.
- The registry of the U.S. Navy's nuclear aircraft carrier USS John C. Stennis (CVN-74), named after U.S. Senator John C. Stennis
- A hurricane or typhoon is a system with sustained winds of at least 74 mph (64 knots).
- The number of the French department Haute-Savoie
- In the Bible it is the number of people that were in the presence of God on Mount Sinai and saw God without dying “Exodus 24:9-11”
References
- "Sloane's A005277 : Nontotients". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-29.
- "Sloane's A007033: Non-Hamiltonian polyhedra with n nodes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2020-12-11.
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