even, composite · 542nd positive integer
The number 542
542 is an even composite number. It is the 542nd positive integer.
Quick reference
| Prime factorization | 2 × 271 |
| Divisors | 1, 2, 271, 542 |
| Binary | 1000011110 |
| Hexadecimal | 0x21E |
| Roman numeral | DXLII |
| Digit sum | 11 |
| Properties | even, composite |
Reading 542 in NumGrid context
For 542, 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 542’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 542 a prime number?
No. 542 is composite. Its prime factorization is 2 × 271.
What are the factors of 542?
The factors (divisors) of 542 are 1, 2, 271, 542.
What is 542 in binary?
542 in binary is 1000011110. In hexadecimal it's 21E.
What is 542 as a Roman numeral?
542 in Roman numerals is DXLII.
What's the digit sum of 542?
Adding the digits of 542: 5 + 4 + 2 = 11.