odd, composite · 385th positive integer
The number 385
385 is an odd composite number. It is the 385th positive integer.
Quick reference
| Prime factorization | 5 × 7 × 11 |
| Divisors | 1, 5, 7, 11, 35, 55, 77, 385 |
| Binary | 110000001 |
| Hexadecimal | 0x181 |
| Roman numeral | CCCLXXXV |
| Digit sum | 16 |
| Properties | odd, composite |
Frequently asked
Is 385 a prime number?
No. 385 is composite. Its prime factorization is 5 × 7 × 11.
What are the factors of 385?
The factors (divisors) of 385 are 1, 5, 7, 11, 35, 55, 77, 385.
What is 385 in binary?
385 in binary is 110000001. In hexadecimal it's 181.
What is 385 as a Roman numeral?
385 in Roman numerals is CCCLXXXV.
What's the digit sum of 385?
Adding the digits of 385: 3 + 8 + 5 = 16.