even, composite · 720th positive integer
The number 720
720 is an even composite number. It is the 720th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 2 × 2 × 3 × 3 × 5 |
| Divisors | 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720 |
| Binary | 1011010000 |
| Hexadecimal | 0x2D0 |
| Roman numeral | DCCXX |
| Digit sum | 9 |
| Properties | even, composite |
Frequently asked
Is 720 a prime number?
No. 720 is composite. Its prime factorization is 2 × 2 × 2 × 2 × 3 × 3 × 5.
What are the factors of 720?
The factors (divisors) of 720 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720.
What is 720 in binary?
720 in binary is 1011010000. In hexadecimal it's 2D0.
What is 720 as a Roman numeral?
720 in Roman numerals is DCCXX.
What's the digit sum of 720?
Adding the digits of 720: 7 + 2 + 0 = 9.