even, composite · 172nd positive integer
The number 172
172 is an even composite number. It is the 172nd positive integer.
Quick reference
| Prime factorization | 2 × 2 × 43 |
| Divisors | 1, 2, 4, 43, 86, 172 |
| Binary | 10101100 |
| Hexadecimal | 0xAC |
| Roman numeral | CLXXII |
| Digit sum | 10 |
| Properties | even, composite |
Frequently asked
Is 172 a prime number?
No. 172 is composite. Its prime factorization is 2 × 2 × 43.
What are the factors of 172?
The factors (divisors) of 172 are 1, 2, 4, 43, 86, 172.
What is 172 in binary?
172 in binary is 10101100. In hexadecimal it's AC.
What is 172 as a Roman numeral?
172 in Roman numerals is CLXXII.
What's the digit sum of 172?
Adding the digits of 172: 1 + 7 + 2 = 10.