odd, composite · 489th positive integer
The number 489
489 is an odd composite number. It is the 489th positive integer.
Quick reference
| Prime factorization | 3 × 163 |
| Divisors | 1, 3, 163, 489 |
| Binary | 111101001 |
| Hexadecimal | 0x1E9 |
| Roman numeral | CDLXXXIX |
| Digit sum | 21 |
| Properties | odd, composite |
Frequently asked
Is 489 a prime number?
No. 489 is composite. Its prime factorization is 3 × 163.
What are the factors of 489?
The factors (divisors) of 489 are 1, 3, 163, 489.
What is 489 in binary?
489 in binary is 111101001. In hexadecimal it's 1E9.
What is 489 as a Roman numeral?
489 in Roman numerals is CDLXXXIX.
What's the digit sum of 489?
Adding the digits of 489: 4 + 8 + 9 = 21.