odd, composite · 213th positive integer
The number 213
213 is an odd composite number. It is the 213th positive integer.
Quick reference
| Prime factorization | 3 × 71 |
| Divisors | 1, 3, 71, 213 |
| Binary | 11010101 |
| Hexadecimal | 0xD5 |
| Roman numeral | CCXIII |
| Digit sum | 6 |
| Properties | odd, composite |
Frequently asked
Is 213 a prime number?
No. 213 is composite. Its prime factorization is 3 × 71.
What are the factors of 213?
The factors (divisors) of 213 are 1, 3, 71, 213.
What is 213 in binary?
213 in binary is 11010101. In hexadecimal it's D5.
What is 213 as a Roman numeral?
213 in Roman numerals is CCXIII.
What's the digit sum of 213?
Adding the digits of 213: 2 + 1 + 3 = 6.