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880 (eight hundred [and] eighty) is the natural number following 879 and preceding 881.
| ||||
|---|---|---|---|---|
| Cardinal | eight hundred eighty | |||
| Ordinal | 880th (eight hundred eightieth) | |||
| Factorization | 24 × 5 × 11 | |||
| Greek numeral | ΩΠ´ | |||
| Roman numeral | DCCCLXXX | |||
| Binary | 11011100002 | |||
| Ternary | 10121213 | |||
| Senary | 40246 | |||
| Octal | 15608 | |||
| Duodecimal | 61412 | |||
| Hexadecimal | 37016 | |||
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.
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
edit- ^ "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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