67 (number)
# 67 (number)

67 (sixty-seven) is the natural number following 66 and preceding 68. It is an odd number.

## In mathematics

67 is:

* the 19th prime number (the next is 71).
* a Chen prime.
* an irregular prime.
* a lucky prime.
* the sum of five consecutive primes (7 + 11 + 13 + 17 + 19).
* a Heegner number.
* a Pillai prime since 18! + 1 is divisible by 67, but 67 is not one more than a multiple of 18.
* palindromic in quinary $(232_5)$ and senary $(151_6).$
* a super-prime. (19 is prime)
* an isolated prime. (65 and 69 are not prime)

## 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 U.S., *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.
* 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.
