even, composite · 438th positive integer
The number 438
438 is an even composite number. It is the 438th positive integer.
Quick reference
| Prime factorization | 2 × 3 × 73 |
| Divisors | 1, 2, 3, 6, 73, 146, 219, 438 |
| Binary | 110110110 |
| Hexadecimal | 0x1B6 |
| Roman numeral | CDXXXVIII |
| Digit sum | 15 |
| Properties | even, composite |
Reading 438 in NumGrid context
For 438, the underlying data on this page comes from classical number theory plus NumGrid solver-derived puzzle statistics. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
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 438’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 438 a prime number?
No. 438 is composite. Its prime factorization is 2 × 3 × 73.
What are the factors of 438?
The factors (divisors) of 438 are 1, 2, 3, 6, 73, 146, 219, 438.
What is 438 in binary?
438 in binary is 110110110. In hexadecimal it's 1B6.
What is 438 as a Roman numeral?
438 in Roman numerals is CDXXXVIII.
What's the digit sum of 438?
Adding the digits of 438: 4 + 3 + 8 = 15.