odd, prime · 449th positive integer
The number 449
449 is an odd prime number. It is the 449th positive integer.
Quick reference
| Prime factorization | 449 (prime) |
| Divisors | 1, 449 |
| Binary | 111000001 |
| Hexadecimal | 0x1C1 |
| Roman numeral | CDXLIX |
| Digit sum | 17 |
| Properties | odd, prime |
Reading 449 in NumGrid context
The 449 record above pulls directly from classical number theory plus NumGrid solver-derived puzzle statistics. What follows is the per-entity context — how 449 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 449 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 449 a prime number?
Yes. 449 is prime — its only divisors are 1 and itself.
What are the factors of 449?
The factors (divisors) of 449 are 1, 449.
What is 449 in binary?
449 in binary is 111000001. In hexadecimal it's 1C1.
What is 449 as a Roman numeral?
449 in Roman numerals is CDXLIX.
What's the digit sum of 449?
Adding the digits of 449: 4 + 4 + 9 = 17.