312 (number)
Natural number
From Wikipedia, the free encyclopedia
312 (three hundred [and] twelve) is the natural number following 311 and preceding 313.
Cardinalthree hundred twelve
Ordinal312th
(three hundred twelfth)
(three hundred twelfth)
Factorization23 × 3 × 13
Greek numeralΤΙΒ´
| ||||
|---|---|---|---|---|
| Cardinal | three hundred twelve | |||
| Ordinal | 312th (three hundred twelfth) | |||
| Factorization | 23 × 3 × 13 | |||
| Greek numeral | ΤΙΒ´ | |||
| Roman numeral | CCCXII, cccxii | |||
| Binary | 1001110002 | |||
| Ternary | 1021203 | |||
| Senary | 12406 | |||
| Octal | 4708 | |||
| Duodecimal | 22012 | |||
| Hexadecimal | 13816 | |||
Mathematical properties
- 312 is a semiperfect number, as it is equal to the sum of some or all of its divisors.
- 312 is a Idoneal number.[1]
- 312 is a Harshad number, as it is divisible by the sum of its digits.[2]
- 312 is a Pythagorean triple.
- 312 is a practical number.
