even, composite, triangular, palindrome · 6th positive integer
The number 6
6 is an even composite number. It's known as the smallest perfect number (1+2+3=6). It is the 6th positive integer.
Quick reference
| Prime factorization | 2 × 3 |
| Divisors | 1, 2, 3, 6 |
| Binary | 110 |
| Hexadecimal | 0x6 |
| Roman numeral | VI |
| Digit sum | 6 |
| Properties | even, composite, triangular, palindrome |
Why 6 is notable
The smallest perfect number (1+2+3=6).
Frequently asked
Is 6 a prime number?
No. 6 is composite. Its prime factorization is 2 × 3.
What are the factors of 6?
The factors (divisors) of 6 are 1, 2, 3, 6.
What is 6 in binary?
6 in binary is 110. In hexadecimal it's 6.
What is 6 as a Roman numeral?
6 in Roman numerals is VI.
What's the digit sum of 6?
Adding the digits of 6: 6 = 6.