odd, composite · 871st positive integer
The number 871
871 is an odd composite number. It is the 871st positive integer.
Quick reference
| Prime factorization | 13 × 67 |
| Divisors | 1, 13, 67, 871 |
| Binary | 1101100111 |
| Hexadecimal | 0x367 |
| Roman numeral | DCCCLXXI |
| Digit sum | 16 |
| Properties | odd, composite |
Reading 871 in NumGrid context
For 871, 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.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for 871’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 871 a prime number?
No. 871 is composite. Its prime factorization is 13 × 67.
What are the factors of 871?
The factors (divisors) of 871 are 1, 13, 67, 871.
What is 871 in binary?
871 in binary is 1101100111. In hexadecimal it's 367.
What is 871 as a Roman numeral?
871 in Roman numerals is DCCCLXXI.
What's the digit sum of 871?
Adding the digits of 871: 8 + 7 + 1 = 16.