even, composite · 390th positive integer
The number 390
390 is an even composite number. It is the 390th positive integer.
Quick reference
| Prime factorization | 2 × 3 × 5 × 13 |
| Divisors | 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390 |
| Binary | 110000110 |
| Hexadecimal | 0x186 |
| Roman numeral | CCCXC |
| Digit sum | 12 |
| Properties | even, composite |
Reading 390 in NumGrid context
390 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.
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 390 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 390 a prime number?
No. 390 is composite. Its prime factorization is 2 × 3 × 5 × 13.
What are the factors of 390?
The factors (divisors) of 390 are 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390.
What is 390 in binary?
390 in binary is 110000110. In hexadecimal it's 186.
What is 390 as a Roman numeral?
390 in Roman numerals is CCCXC.
What's the digit sum of 390?
Adding the digits of 390: 3 + 9 + 0 = 12.