999 (number)
This article is about the natural number. For the emergency telephone number, see 999 (emergency telephone number). For other uses, see 999 (disambiguation).
| ||||
|---|---|---|---|---|
| Cardinal | Nine hundred [and] ninety-nine | |||
| Ordinal |
999th (Nine hundred [and] ninety-ninth) | |||
| Factorization | 33× 37 | |||
| Divisors | 1, 3, 9, 27, 37, 111, 333, 999 | |||
| Roman numeral | CMXCIX | |||
| Binary | 11111001112 | |||
| Ternary | 11010003 | |||
| Quaternary | 332134 | |||
| Quinary | 124445 | |||
| Senary | 43436 | |||
| Octal | 17478 | |||
| Duodecimal | 6B312 | |||
| Hexadecimal | 3E716 | |||
| Vigesimal | 29J20 | |||
| Base 36 | RR36 | |||
In mathematics
Nine hundred [and] ninety-nine is:
- the natural number following 998 and preceding 1000.
- a Harshad number.
- a Kaprekar number.[1]
- a repdigit in bases 10 and 36.
- a palindromic number in bases 10, 14 (51514), and 36.
- the largest 3-digit decimal integer.
Symbology and numerology
In SubGenius numerology the number 999 represents Bob Dobbs.
Emergency Number
999 is the number used to contact the Emergency Services in many countries; See 999 (emergency telephone number).
References
- ↑ "Sloane's A006886 : Kaprekar numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-02.
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