even, composite · 864th positive integer
The number 864
864 is an even composite number. It is the 864th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864 |
| Binary | 1101100000 |
| Hexadecimal | 0x360 |
| Roman numeral | DCCCLXIV |
| Digit sum | 18 |
| Properties | even, composite |
Frequently asked
Is 864 a prime number?
No. 864 is composite. Its prime factorization is 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3.
What are the factors of 864?
The factors (divisors) of 864 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864.
What is 864 in binary?
864 in binary is 1101100000. In hexadecimal it's 360.
What is 864 as a Roman numeral?
864 in Roman numerals is DCCCLXIV.
What's the digit sum of 864?
Adding the digits of 864: 8 + 6 + 4 = 18.