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 |
Reading 842 in NumGrid context
The 842 record above pulls directly from classical number theory plus NumGrid solver-derived puzzle statistics. What follows is the per-entity context — how 842 sits in the broader integer properties and number-guessing puzzles distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the classical number theory plus NumGrid solver-derived puzzle statistics portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for 842’s peers within positive integers within the NumGrid target pool. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
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.