odd, composite · 553rd positive integer
The number 553
553 is an odd composite number. It is the 553rd positive integer.
Quick reference
| Prime factorization | 7 × 79 |
| Divisors | 1, 7, 79, 553 |
| Binary | 1000101001 |
| Hexadecimal | 0x229 |
| Roman numeral | DLIII |
| Digit sum | 13 |
| Properties | odd, composite |
Frequently asked
Is 553 a prime number?
No. 553 is composite. Its prime factorization is 7 × 79.
What are the factors of 553?
The factors (divisors) of 553 are 1, 7, 79, 553.
What is 553 in binary?
553 in binary is 1000101001. In hexadecimal it's 229.
What is 553 as a Roman numeral?
553 in Roman numerals is DLIII.
What's the digit sum of 553?
Adding the digits of 553: 5 + 5 + 3 = 13.