even, composite · 126th positive integer
The number 126
126 is an even composite number. It is the 126th positive integer.
Quick reference
| Prime factorization | 2 × 3 × 3 × 7 |
| Divisors | 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126 |
| Binary | 1111110 |
| Hexadecimal | 0x7E |
| Roman numeral | CXXVI |
| Digit sum | 9 |
| Properties | even, composite |
Reading 126 in NumGrid context
The 126 record above pulls directly from classical number theory plus NumGrid solver-derived puzzle statistics. What follows is the per-entity context — how 126 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 126’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 126 a prime number?
No. 126 is composite. Its prime factorization is 2 × 3 × 3 × 7.
What are the factors of 126?
The factors (divisors) of 126 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126.
What is 126 in binary?
126 in binary is 1111110. In hexadecimal it's 7E.
What is 126 as a Roman numeral?
126 in Roman numerals is CXXVI.
What's the digit sum of 126?
Adding the digits of 126: 1 + 2 + 6 = 9.