odd, composite · 407th positive integer
The number 407
407 is an odd composite number. It is the 407th positive integer.
Quick reference
| Prime factorization | 11 × 37 |
| Divisors | 1, 11, 37, 407 |
| Binary | 110010111 |
| Hexadecimal | 0x197 |
| Roman numeral | CDVII |
| Digit sum | 11 |
| Properties | odd, composite |
Reading 407 in NumGrid context
The 407 record above pulls directly from classical number theory plus NumGrid solver-derived puzzle statistics. What follows is the per-entity context — how 407 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 407’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 407 a prime number?
No. 407 is composite. Its prime factorization is 11 × 37.
What are the factors of 407?
The factors (divisors) of 407 are 1, 11, 37, 407.
What is 407 in binary?
407 in binary is 110010111. In hexadecimal it's 197.
What is 407 as a Roman numeral?
407 in Roman numerals is CDVII.
What's the digit sum of 407?
Adding the digits of 407: 4 + 0 + 7 = 11.