odd, composite · 481st positive integer
The number 481
481 is an odd composite number. It is the 481st positive integer.
Quick reference
| Prime factorization | 13 × 37 |
| Divisors | 1, 13, 37, 481 |
| Binary | 111100001 |
| Hexadecimal | 0x1E1 |
| Roman numeral | CDLXXXI |
| Digit sum | 13 |
| Properties | odd, composite |
Frequently asked
Is 481 a prime number?
No. 481 is composite. Its prime factorization is 13 × 37.
What are the factors of 481?
The factors (divisors) of 481 are 1, 13, 37, 481.
What is 481 in binary?
481 in binary is 111100001. In hexadecimal it's 1E1.
What is 481 as a Roman numeral?
481 in Roman numerals is CDLXXXI.
What's the digit sum of 481?
Adding the digits of 481: 4 + 8 + 1 = 13.