odd, composite · 75th positive integer
The number 75
75 is an odd composite number. It is the 75th positive integer.
Quick reference
| Prime factorization | 3 × 5 × 5 |
| Divisors | 1, 3, 5, 15, 25, 75 |
| Binary | 1001011 |
| Hexadecimal | 0x4B |
| Roman numeral | LXXV |
| Digit sum | 12 |
| Properties | odd, composite |
Frequently asked
Is 75 a prime number?
No. 75 is composite. Its prime factorization is 3 × 5 × 5.
What are the factors of 75?
The factors (divisors) of 75 are 1, 3, 5, 15, 25, 75.
What is 75 in binary?
75 in binary is 1001011. In hexadecimal it's 4B.
What is 75 as a Roman numeral?
75 in Roman numerals is LXXV.
What's the digit sum of 75?
Adding the digits of 75: 7 + 5 = 12.