odd, composite · 501st positive integer
The number 501
501 is an odd composite number. It is the 501st positive integer.
Quick reference
| Prime factorization | 3 × 167 |
| Divisors | 1, 3, 167, 501 |
| Binary | 111110101 |
| Hexadecimal | 0x1F5 |
| Roman numeral | DI |
| Digit sum | 6 |
| Properties | odd, composite |
Reading 501 in NumGrid context
For 501, 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.
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 501 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 501 a prime number?
No. 501 is composite. Its prime factorization is 3 × 167.
What are the factors of 501?
The factors (divisors) of 501 are 1, 3, 167, 501.
What is 501 in binary?
501 in binary is 111110101. In hexadecimal it's 1F5.
What is 501 as a Roman numeral?
501 in Roman numerals is DI.
What's the digit sum of 501?
Adding the digits of 501: 5 + 0 + 1 = 6.