880 (eight hundred [and] eighty) is the natural number following 879 and preceding 881.
Characteristics
In mathematics and sound
It is the number of 4-by-4 magic squares.[1]
And the triple factorial: 11!!! = 880.
880 is the frequency in hertz of the musical note A5.
Other
880 is also:
- The code for international direct dialing phone calls to Bangladesh
- The year 880 BC or AD 880.
- Interstate 880, several Interstate highways in the United States.
- Dodge Custom 880, an automobile manufactured from 1962 to 1965.
References
- ^ "Sloane's A006052 : Number of magic squares of order n composed of the numbers from 1 to n^2, counted up to rotations and reflections". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-02.
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