even, composite · 312th positive integer
The number 312
312 is an even composite number. It is the 312th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 2 × 3 × 13 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312 |
| Binary | 100111000 |
| Hexadecimal | 0x138 |
| Roman numeral | CCCXII |
| Digit sum | 6 |
| Properties | even, composite |
Reading 312 in NumGrid context
For 312, 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 312 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 312 a prime number?
No. 312 is composite. Its prime factorization is 2 × 2 × 2 × 3 × 13.
What are the factors of 312?
The factors (divisors) of 312 are 1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312.
What is 312 in binary?
312 in binary is 100111000. In hexadecimal it's 138.
What is 312 as a Roman numeral?
312 in Roman numerals is CCCXII.
What's the digit sum of 312?
Adding the digits of 312: 3 + 1 + 2 = 6.