even, composite · 126th positive integer
The number 126
126 is an even composite number. It is the 126th positive integer.
Quick reference
| Prime factorization | 2 × 3 × 3 × 7 |
| Divisors | 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126 |
| Binary | 1111110 |
| Hexadecimal | 0x7E |
| Roman numeral | CXXVI |
| Digit sum | 9 |
| Properties | even, composite |
Frequently asked
Is 126 a prime number?
No. 126 is composite. Its prime factorization is 2 × 3 × 3 × 7.
What are the factors of 126?
The factors (divisors) of 126 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126.
What is 126 in binary?
126 in binary is 1111110. In hexadecimal it's 7E.
What is 126 as a Roman numeral?
126 in Roman numerals is CXXVI.
What's the digit sum of 126?
Adding the digits of 126: 1 + 2 + 6 = 9.