even, composite · 864th positive integer
The number 864
864 is an even composite number. It is the 864th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864 |
| Binary | 1101100000 |
| Hexadecimal | 0x360 |
| Roman numeral | DCCCLXIV |
| Digit sum | 18 |
| Properties | even, composite |
Reading 864 in NumGrid context
For 864, 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.
Every number on this page links back to classical number theory plus NumGrid solver-derived puzzle statistics; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
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 864 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 864 a prime number?
No. 864 is composite. Its prime factorization is 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3.
What are the factors of 864?
The factors (divisors) of 864 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864.
What is 864 in binary?
864 in binary is 1101100000. In hexadecimal it's 360.
What is 864 as a Roman numeral?
864 in Roman numerals is DCCCLXIV.
What's the digit sum of 864?
Adding the digits of 864: 8 + 6 + 4 = 18.