even, composite · 216th positive integer
The number 216
216 is an even composite number. It is the 216th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 2 × 3 × 3 × 3 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216 |
| Binary | 11011000 |
| Hexadecimal | 0xD8 |
| Roman numeral | CCXVI |
| Digit sum | 9 |
| Properties | even, composite |
Reading 216 in NumGrid context
216 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 216’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 216 a prime number?
No. 216 is composite. Its prime factorization is 2 × 2 × 2 × 3 × 3 × 3.
What are the factors of 216?
The factors (divisors) of 216 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216.
What is 216 in binary?
216 in binary is 11011000. In hexadecimal it's D8.
What is 216 as a Roman numeral?
216 in Roman numerals is CCXVI.
What's the digit sum of 216?
Adding the digits of 216: 2 + 1 + 6 = 9.