even, composite · 556th positive integer
The number 556
556 is an even composite number. It is the 556th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 139 |
| Divisors | 1, 2, 4, 139, 278, 556 |
| Binary | 1000101100 |
| Hexadecimal | 0x22C |
| Roman numeral | DLVI |
| Digit sum | 16 |
| Properties | even, composite |
Frequently asked
Is 556 a prime number?
No. 556 is composite. Its prime factorization is 2 × 2 × 139.
What are the factors of 556?
The factors (divisors) of 556 are 1, 2, 4, 139, 278, 556.
What is 556 in binary?
556 in binary is 1000101100. In hexadecimal it's 22C.
What is 556 as a Roman numeral?
556 in Roman numerals is DLVI.
What's the digit sum of 556?
Adding the digits of 556: 5 + 5 + 6 = 16.