odd, composite · 609th positive integer
The number 609
609 is an odd composite number. It is the 609th positive integer.
Quick reference
| Prime factorization | 3 × 7 × 29 |
| Divisors | 1, 3, 7, 21, 29, 87, 203, 609 |
| Binary | 1001100001 |
| Hexadecimal | 0x261 |
| Roman numeral | DCIX |
| Digit sum | 15 |
| Properties | odd, composite |
Reading 609 in NumGrid context
The 609 record above pulls directly from classical number theory plus NumGrid solver-derived puzzle statistics. What follows is the per-entity context — how 609 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.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for 609’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 609 a prime number?
No. 609 is composite. Its prime factorization is 3 × 7 × 29.
What are the factors of 609?
The factors (divisors) of 609 are 1, 3, 7, 21, 29, 87, 203, 609.
What is 609 in binary?
609 in binary is 1001100001. In hexadecimal it's 261.
What is 609 as a Roman numeral?
609 in Roman numerals is DCIX.
What's the digit sum of 609?
Adding the digits of 609: 6 + 0 + 9 = 15.