odd, prime · 41st positive integer
The number 41
41 is an odd prime number. It is the 41st positive integer.
Quick reference
| Prime factorization | 41 (prime) |
| Divisors | 1, 41 |
| Binary | 101001 |
| Hexadecimal | 0x29 |
| Roman numeral | XLI |
| Digit sum | 5 |
| Properties | odd, prime |
Reading 41 in NumGrid context
The 41 record above pulls directly from classical number theory plus NumGrid solver-derived puzzle statistics. What follows is the per-entity context — how 41 sits in the broader integer properties and number-guessing puzzles distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the classical number theory plus NumGrid solver-derived puzzle statistics portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for 41’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 41 a prime number?
Yes. 41 is prime — its only divisors are 1 and itself.
What are the factors of 41?
The factors (divisors) of 41 are 1, 41.
What is 41 in binary?
41 in binary is 101001. In hexadecimal it's 29.
What is 41 as a Roman numeral?
41 in Roman numerals is XLI.
What's the digit sum of 41?
Adding the digits of 41: 4 + 1 = 5.