odd, composite · 427th positive integer
The number 427
427 is an odd composite number. It is the 427th positive integer.
Quick reference
| Prime factorization | 7 × 61 |
| Divisors | 1, 7, 61, 427 |
| Binary | 110101011 |
| Hexadecimal | 0x1AB |
| Roman numeral | CDXXVII |
| Digit sum | 13 |
| Properties | odd, composite |
Frequently asked
Is 427 a prime number?
No. 427 is composite. Its prime factorization is 7 × 61.
What are the factors of 427?
The factors (divisors) of 427 are 1, 7, 61, 427.
What is 427 in binary?
427 in binary is 110101011. In hexadecimal it's 1AB.
What is 427 as a Roman numeral?
427 in Roman numerals is CDXXVII.
What's the digit sum of 427?
Adding the digits of 427: 4 + 2 + 7 = 13.