even, composite · 800th positive integer
The number 800
800 is an even composite number. It is the 800th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 5 × 5 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800 |
| Binary | 1100100000 |
| Hexadecimal | 0x320 |
| Roman numeral | DCCC |
| Digit sum | 8 |
| Properties | even, composite |
Reading 800 in NumGrid context
For 800, 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.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for 800 is typically a peer within positive integers within the NumGrid target pool with similar size, similar exposure, or similar geography — not the national-level summary alone.
Frequently asked
Is 800 a prime number?
No. 800 is composite. Its prime factorization is 2 × 2 × 2 × 2 × 2 × 5 × 5.
What are the factors of 800?
The factors (divisors) of 800 are 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800.
What is 800 in binary?
800 in binary is 1100100000. In hexadecimal it's 320.
What is 800 as a Roman numeral?
800 in Roman numerals is DCCC.
What's the digit sum of 800?
Adding the digits of 800: 8 + 0 + 0 = 8.