odd, composite · 387th positive integer
The number 387
387 is an odd composite number. It is the 387th positive integer.
Quick reference
| Prime factorization | 3 × 3 × 43 |
| Divisors | 1, 3, 9, 43, 129, 387 |
| Binary | 110000011 |
| Hexadecimal | 0x183 |
| Roman numeral | CCCLXXXVII |
| Digit sum | 18 |
| Properties | odd, composite |
Frequently asked
Is 387 a prime number?
No. 387 is composite. Its prime factorization is 3 × 3 × 43.
What are the factors of 387?
The factors (divisors) of 387 are 1, 3, 9, 43, 129, 387.
What is 387 in binary?
387 in binary is 110000011. In hexadecimal it's 183.
What is 387 as a Roman numeral?
387 in Roman numerals is CCCLXXXVII.
What's the digit sum of 387?
Adding the digits of 387: 3 + 8 + 7 = 18.