even, composite · 842nd positive integer
The number 842
842 is an even composite number. It is the 842nd positive integer.
Quick reference
| Prime factorization | 2 × 421 |
| Divisors | 1, 2, 421, 842 |
| Binary | 1101001010 |
| Hexadecimal | 0x34A |
| Roman numeral | DCCCXLII |
| Digit sum | 14 |
| Properties | even, composite |
Frequently asked
Is 842 a prime number?
No. 842 is composite. Its prime factorization is 2 × 421.
What are the factors of 842?
The factors (divisors) of 842 are 1, 2, 421, 842.
What is 842 in binary?
842 in binary is 1101001010. In hexadecimal it's 34A.
What is 842 as a Roman numeral?
842 in Roman numerals is DCCCXLII.
What's the digit sum of 842?
Adding the digits of 842: 8 + 4 + 2 = 14.