even, composite · 168th positive integer
The number 168
168 is an even composite number. It is the 168th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 2 × 3 × 7 |
| Divisors | 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168 |
| Binary | 10101000 |
| Hexadecimal | 0xA8 |
| Roman numeral | CLXVIII |
| Digit sum | 15 |
| Properties | even, composite |
Reading 168 in NumGrid context
The 168 record above pulls directly from classical number theory plus NumGrid solver-derived puzzle statistics. What follows is the per-entity context — how 168 sits in the broader integer properties and number-guessing puzzles distribution and which underlying factors drive the headline numbers.
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 168’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 168 a prime number?
No. 168 is composite. Its prime factorization is 2 × 2 × 2 × 3 × 7.
What are the factors of 168?
The factors (divisors) of 168 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168.
What is 168 in binary?
168 in binary is 10101000. In hexadecimal it's A8.
What is 168 as a Roman numeral?
168 in Roman numerals is CLXVIII.
What's the digit sum of 168?
Adding the digits of 168: 1 + 6 + 8 = 15.