odd, composite · 27th positive integer
The number 27
27 is an odd composite number. It is the 27th positive integer.
Quick reference
| Prime factorization | 3 × 3 × 3 |
| Divisors | 1, 3, 9, 27 |
| Binary | 11011 |
| Hexadecimal | 0x1B |
| Roman numeral | XXVII |
| Digit sum | 9 |
| Properties | odd, composite |
Reading 27 in NumGrid context
The 27 record above pulls directly from classical number theory plus NumGrid solver-derived puzzle statistics. What follows is the per-entity context — how 27 sits in the broader integer properties and number-guessing puzzles distribution and which underlying factors drive the headline numbers.
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.
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 27 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 27 a prime number?
No. 27 is composite. Its prime factorization is 3 × 3 × 3.
What are the factors of 27?
The factors (divisors) of 27 are 1, 3, 9, 27.
What is 27 in binary?
27 in binary is 11011. In hexadecimal it's 1B.
What is 27 as a Roman numeral?
27 in Roman numerals is XXVII.
What's the digit sum of 27?
Adding the digits of 27: 2 + 7 = 9.