even, composite · 218th positive integer
The number 218
218 is an even composite number. It is the 218th positive integer.
Quick reference
| Prime factorization | 2 × 109 |
| Divisors | 1, 2, 109, 218 |
| Binary | 11011010 |
| Hexadecimal | 0xDA |
| Roman numeral | CCXVIII |
| Digit sum | 11 |
| Properties | even, composite |
Frequently asked
Is 218 a prime number?
No. 218 is composite. Its prime factorization is 2 × 109.
What are the factors of 218?
The factors (divisors) of 218 are 1, 2, 109, 218.
What is 218 in binary?
218 in binary is 11011010. In hexadecimal it's DA.
What is 218 as a Roman numeral?
218 in Roman numerals is CCXVIII.
What's the digit sum of 218?
Adding the digits of 218: 2 + 1 + 8 = 11.