even, composite · 172nd positive integer
The number 172
172 is an even composite number. It is the 172nd positive integer.
Quick reference
| Prime factorization | 2 × 2 × 43 |
| Divisors | 1, 2, 4, 43, 86, 172 |
| Binary | 10101100 |
| Hexadecimal | 0xAC |
| Roman numeral | CLXXII |
| Digit sum | 10 |
| Properties | even, composite |
Reading 172 in NumGrid context
For 172, 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 172’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 172 a prime number?
No. 172 is composite. Its prime factorization is 2 × 2 × 43.
What are the factors of 172?
The factors (divisors) of 172 are 1, 2, 4, 43, 86, 172.
What is 172 in binary?
172 in binary is 10101100. In hexadecimal it's AC.
What is 172 as a Roman numeral?
172 in Roman numerals is CLXXII.
What's the digit sum of 172?
Adding the digits of 172: 1 + 7 + 2 = 10.