even, composite · 408th positive integer
The number 408
408 is an even composite number. It is the 408th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 2 × 3 × 17 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408 |
| Binary | 110011000 |
| Hexadecimal | 0x198 |
| Roman numeral | CDVIII |
| Digit sum | 12 |
| Properties | even, composite |
Frequently asked
Is 408 a prime number?
No. 408 is composite. Its prime factorization is 2 × 2 × 2 × 3 × 17.
What are the factors of 408?
The factors (divisors) of 408 are 1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408.
What is 408 in binary?
408 in binary is 110011000. In hexadecimal it's 198.
What is 408 as a Roman numeral?
408 in Roman numerals is CDVIII.
What's the digit sum of 408?
Adding the digits of 408: 4 + 0 + 8 = 12.