odd, composite · 215th positive integer
The number 215
215 is an odd composite number. It is the 215th positive integer.
Quick reference
| Prime factorization | 5 × 43 |
| Divisors | 1, 5, 43, 215 |
| Binary | 11010111 |
| Hexadecimal | 0xD7 |
| Roman numeral | CCXV |
| Digit sum | 8 |
| Properties | odd, composite |
Frequently asked
Is 215 a prime number?
No. 215 is composite. Its prime factorization is 5 × 43.
What are the factors of 215?
The factors (divisors) of 215 are 1, 5, 43, 215.
What is 215 in binary?
215 in binary is 11010111. In hexadecimal it's D7.
What is 215 as a Roman numeral?
215 in Roman numerals is CCXV.
What's the digit sum of 215?
Adding the digits of 215: 2 + 1 + 5 = 8.