even, composite · 266th positive integer
The number 266
266 is an even composite number. It is the 266th positive integer.
Quick reference
| Prime factorization | 2 × 7 × 19 |
| Divisors | 1, 2, 7, 14, 19, 38, 133, 266 |
| Binary | 100001010 |
| Hexadecimal | 0x10A |
| Roman numeral | CCLXVI |
| Digit sum | 14 |
| Properties | even, composite |
Frequently asked
Is 266 a prime number?
No. 266 is composite. Its prime factorization is 2 × 7 × 19.
What are the factors of 266?
The factors (divisors) of 266 are 1, 2, 7, 14, 19, 38, 133, 266.
What is 266 in binary?
266 in binary is 100001010. In hexadecimal it's 10A.
What is 266 as a Roman numeral?
266 in Roman numerals is CCLXVI.
What's the digit sum of 266?
Adding the digits of 266: 2 + 6 + 6 = 14.