even, composite · 542nd positive integer
The number 542
542 is an even composite number. It is the 542nd positive integer.
Quick reference
| Prime factorization | 2 × 271 |
| Divisors | 1, 2, 271, 542 |
| Binary | 1000011110 |
| Hexadecimal | 0x21E |
| Roman numeral | DXLII |
| Digit sum | 11 |
| Properties | even, composite |
Frequently asked
Is 542 a prime number?
No. 542 is composite. Its prime factorization is 2 × 271.
What are the factors of 542?
The factors (divisors) of 542 are 1, 2, 271, 542.
What is 542 in binary?
542 in binary is 1000011110. In hexadecimal it's 21E.
What is 542 as a Roman numeral?
542 in Roman numerals is DXLII.
What's the digit sum of 542?
Adding the digits of 542: 5 + 4 + 2 = 11.