odd, composite · 27th positive integer
The number 27
27 is an odd composite number. It is the 27th positive integer.
Quick reference
| Prime factorization | 3 × 3 × 3 |
| Divisors | 1, 3, 9, 27 |
| Binary | 11011 |
| Hexadecimal | 0x1B |
| Roman numeral | XXVII |
| Digit sum | 9 |
| Properties | odd, composite |
Frequently asked
Is 27 a prime number?
No. 27 is composite. Its prime factorization is 3 × 3 × 3.
What are the factors of 27?
The factors (divisors) of 27 are 1, 3, 9, 27.
What is 27 in binary?
27 in binary is 11011. In hexadecimal it's 1B.
What is 27 as a Roman numeral?
27 in Roman numerals is XXVII.
What's the digit sum of 27?
Adding the digits of 27: 2 + 7 = 9.