279 (number)
Natural number
From Wikipedia, the free encyclopedia
279 (two hundred [and] seventy-nine) is the natural number following 278 and preceding 280.
Cardinaltwo hundred seventy-nine
Ordinal279th
(two hundred seventy-ninth)
(two hundred seventy-ninth)
Factorization32 × 31
Divisors1, 3, 9, 31, 93, 279
| ||||
|---|---|---|---|---|
| Cardinal | two hundred seventy-nine | |||
| Ordinal | 279th (two hundred seventy-ninth) | |||
| Factorization | 32 × 31 | |||
| Divisors | 1, 3, 9, 31, 93, 279 | |||
| Greek numeral | ΣΟΘ´ | |||
| Roman numeral | CCLXXIX, cclxxix | |||
| Binary | 1000101112 | |||
| Ternary | 1011003 | |||
| Senary | 11436 | |||
| Octal | 4278 | |||
| Duodecimal | 1B312 | |||
| Hexadecimal | 11716 | |||
In mathematics
- 279 is an odd composite number with two prime factors.[1]
- Waring’s Conjecture is g(n)=2n+⌊(3/2)n⌋-2. When 8 is plugged in for n, the result is 279. That means that any positive integer can be formed with at most 279 numbers to the 8th power.[2]
- 279 is the smallest number whose product of digits is 7 times the sum of its digits.
- 279 can be written as the sum of 4 nonzero perfect squares.[3]
