odd, composite · 745th positive integer
The number 745
745 is an odd composite number. It is the 745th positive integer.
Quick reference
| Prime factorization | 5 × 149 |
| Divisors | 1, 5, 149, 745 |
| Binary | 1011101001 |
| Hexadecimal | 0x2E9 |
| Roman numeral | DCCXLV |
| Digit sum | 16 |
| Properties | odd, composite |
Frequently asked
Is 745 a prime number?
No. 745 is composite. Its prime factorization is 5 × 149.
What are the factors of 745?
The factors (divisors) of 745 are 1, 5, 149, 745.
What is 745 in binary?
745 in binary is 1011101001. In hexadecimal it's 2E9.
What is 745 as a Roman numeral?
745 in Roman numerals is DCCXLV.
What's the digit sum of 745?
Adding the digits of 745: 7 + 4 + 5 = 16.