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.^[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 quinary (232₅) and senary (151₆).
• a super-prime. (19 is prime)
• an isolated prime. (65 and 69 are not prime)
• a sexy prime with 61 and 73

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.

External links

Wikimedia Commons has media related to 67 (number).

References

This page was last edited on 3 April 2024, at 14:16