99 (number)
| ||||
|---|---|---|---|---|
| Cardinal | ninety-nine | |||
| Ordinal |
99th (ninety-ninth) | |||
| Factorization | 32× 11 | |||
| Roman numeral | XCIX | |||
| Binary | 11000112 | |||
| Ternary | 102003 | |||
| Quaternary | 12034 | |||
| Quinary | 3445 | |||
| Senary | 2436 | |||
| Octal | 1438 | |||
| Duodecimal | 8312 | |||
| Hexadecimal | 6316 | |||
| Vigesimal | 4J20 | |||
| Base 36 | 2R36 | |||
99 (ninety-nine) is the natural number following 98 and preceding 100.
Qualities
99 is:
- a Kaprekar number
- a lucky number
- a palindromic number
- the ninth repdigit
- the sum of the cubes of three consecutive integers: 99 = 23 + 33 + 43
- the sum of divisors of the first 11 positive integers
References
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