odd, prime · 79th positive integer
The number 79
79 is an odd prime number. It is the 79th positive integer.
Quick reference
| Prime factorization | 79 (prime) |
| Divisors | 1, 79 |
| Binary | 1001111 |
| Hexadecimal | 0x4F |
| Roman numeral | LXXIX |
| Digit sum | 16 |
| Properties | odd, prime |
Reading 79 in NumGrid context
The 79 record above pulls directly from classical number theory plus NumGrid solver-derived puzzle statistics. What follows is the per-entity context — how 79 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.
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 79 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 79 a prime number?
Yes. 79 is prime — its only divisors are 1 and itself.
What are the factors of 79?
The factors (divisors) of 79 are 1, 79.
What is 79 in binary?
79 in binary is 1001111. In hexadecimal it's 4F.
What is 79 as a Roman numeral?
79 in Roman numerals is LXXIX.
What's the digit sum of 79?
Adding the digits of 79: 7 + 9 = 16.