odd, prime · 37th positive integer
The number 37
37 is an odd prime number. It is the 37th positive integer.
Quick reference
| Prime factorization | 37 (prime) |
| Divisors | 1, 37 |
| Binary | 100101 |
| Hexadecimal | 0x25 |
| Roman numeral | XXXVII |
| Digit sum | 10 |
| Properties | odd, prime |
Reading 37 in NumGrid context
For 37, the underlying data on this page comes from classical number theory plus NumGrid solver-derived puzzle statistics. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
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 37’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 37 a prime number?
Yes. 37 is prime — its only divisors are 1 and itself.
What are the factors of 37?
The factors (divisors) of 37 are 1, 37.
What is 37 in binary?
37 in binary is 100101. In hexadecimal it's 25.
What is 37 as a Roman numeral?
37 in Roman numerals is XXXVII.
What's the digit sum of 37?
Adding the digits of 37: 3 + 7 = 10.