67 (number)
67 (sixty-seven) is the natural number following 66 and preceding 68. It is an odd number.
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| Cardinal | sixty-seven | |||
| Ordinal | 67th (sixty-seventh) | |||
| Factorization | prime | |||
| Prime | 19th | |||
| Divisors | 1, 67 | |||
| Greek numeral | ΞΖ´ | |||
| Roman numeral | LXVII | |||
| Binary | 10000112 | |||
| Ternary | 21113 | |||
| Octal | 1038 | |||
| Duodecimal | 5712 | |||
| Hexadecimal | 4316 | |||
In mathematics
67 is:
- the 19th prime number (the next is 71).
- a Chen prime.[1]
- an irregular prime.[2]
- a lucky prime.[3]
- the sum of five consecutive primes (7 + 11 + 13 + 17 + 19).
- a Heegner number.[4]
- a Pillai prime since 18! + 1 is divisible by 67, but 67 is not one more than a multiple of 18.[5]
- palindromic in the consecutive bases 5 (2325) and 6 (1516).
In science
- The atomic number of holmium, a lanthanide.
Astronomy
- Messier object M67, a magnitude 7.5 open cluster in the constellation Cancer.
- The New General Catalogue object NGC 67, an elliptical galaxy in the constellation Andromeda.
In music
- "Car 67", a song by the band Driver 67
- Chicago's song "Questions 67 and 68"
- Elton John's song "Old '67" on The Captain & The Kid CD, (2006)
- British rap group called 67
- Rapper Drake released the song named "Star67" off his album If You're Reading This It's Too Late
In other fields
Sixty-seven is:
- The registry of the U.S. Navy's aircraft carrier USS John F. Kennedy (CV-67), named after U.S. President John F. Kennedy.
- The number of the French department Bas-Rhin.
- The number of counties in Alabama, Florida, and Pennsylvania.
- The province/traffic code of Zonguldak Province in Turkey
- In the US, *67 is a common prefix-code for blocking caller ID info on the subsequent call.
In sports
- Buddy Arrington's best-known NASCAR car number.
- The Ottawa 67's, founded in 1967.
- The number of throws in judo.
- Pekka Koskela skated the 1000 metres in 1:07:00 (67 seconds) on 10 November 2007, a world record at the time.
- The number of the laps of the German Grand Prix since 2002 if the race was held at Hockenheimring.
External links
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Wikimedia Commons has media related to 67 (number). |
References
- "Sloane's A109611: Chen primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2021-01-08.
- "Sloane's A000928 : Irregular primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-29.
- "Sloane's A031157 : Numbers that are both lucky and prime". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-29.
- "Sloane's A003173 : Heegner numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-29.
- "Sloane's A063980 : Pillai primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-29.
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