odd, composite · 279th positive integer
The number 279
279 is an odd composite number. It is the 279th positive integer.
Quick reference
| Prime factorization | 3 × 3 × 31 |
| Divisors | 1, 3, 9, 31, 93, 279 |
| Binary | 100010111 |
| Hexadecimal | 0x117 |
| Roman numeral | CCLXXIX |
| Digit sum | 18 |
| Properties | odd, composite |
Reading 279 in NumGrid context
279 is one of the data points covered by this site’s integer properties and number-guessing puzzles dataset. The detail above comes directly from classical number theory plus NumGrid solver-derived puzzle statistics; the context that follows situates the headline numbers against the broader distribution across positive integers within the NumGrid target pool.
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 279’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 279 a prime number?
No. 279 is composite. Its prime factorization is 3 × 3 × 31.
What are the factors of 279?
The factors (divisors) of 279 are 1, 3, 9, 31, 93, 279.
What is 279 in binary?
279 in binary is 100010111. In hexadecimal it's 117.
What is 279 as a Roman numeral?
279 in Roman numerals is CCLXXIX.
What's the digit sum of 279?
Adding the digits of 279: 2 + 7 + 9 = 18.