odd, composite, perfect square · 625th positive integer
The number 625
625 is an odd composite number. It is the 625th positive integer.
Quick reference
| Prime factorization | 5 × 5 × 5 × 5 |
| Divisors | 1, 5, 25, 125, 625 |
| Binary | 1001110001 |
| Hexadecimal | 0x271 |
| Roman numeral | DCXXV |
| Digit sum | 13 |
| Properties | odd, composite, perfect square |
Reading 625 in NumGrid context
For 625, 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 625’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 625 a prime number?
No. 625 is composite. Its prime factorization is 5 × 5 × 5 × 5.
What are the factors of 625?
The factors (divisors) of 625 are 1, 5, 25, 125, 625.
What is 625 in binary?
625 in binary is 1001110001. In hexadecimal it's 271.
What is 625 as a Roman numeral?
625 in Roman numerals is DCXXV.
What's the digit sum of 625?
Adding the digits of 625: 6 + 2 + 5 = 13.