odd, composite, perfect square · 841st positive integer
The number 841
841 is an odd composite number. It is the 841st positive integer.
Quick reference
| Prime factorization | 29 × 29 |
| Divisors | 1, 29, 841 |
| Binary | 1101001001 |
| Hexadecimal | 0x349 |
| Roman numeral | DCCCXLI |
| Digit sum | 13 |
| Properties | odd, composite, perfect square |
Frequently asked
Is 841 a prime number?
No. 841 is composite. Its prime factorization is 29 × 29.
What are the factors of 841?
The factors (divisors) of 841 are 1, 29, 841.
What is 841 in binary?
841 in binary is 1101001001. In hexadecimal it's 349.
What is 841 as a Roman numeral?
841 in Roman numerals is DCCCXLI.
What's the digit sum of 841?
Adding the digits of 841: 8 + 4 + 1 = 13.