even, composite · 140th positive integer
The number 140
140 is an even composite number. It is the 140th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 5 × 7 |
| Divisors | 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140 |
| Binary | 10001100 |
| Hexadecimal | 0x8C |
| Roman numeral | CXL |
| Digit sum | 5 |
| Properties | even, composite |
Frequently asked
Is 140 a prime number?
No. 140 is composite. Its prime factorization is 2 × 2 × 5 × 7.
What are the factors of 140?
The factors (divisors) of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140.
What is 140 in binary?
140 in binary is 10001100. In hexadecimal it's 8C.
What is 140 as a Roman numeral?
140 in Roman numerals is CXL.
What's the digit sum of 140?
Adding the digits of 140: 1 + 4 + 0 = 5.