odd, composite · 355th positive integer
The number 355
355 is an odd composite number. It is the 355th positive integer.
Quick reference
| Prime factorization | 5 × 71 |
| Divisors | 1, 5, 71, 355 |
| Binary | 101100011 |
| Hexadecimal | 0x163 |
| Roman numeral | CCCLV |
| Digit sum | 13 |
| Properties | odd, composite |
Reading 355 in NumGrid context
The 355 record above pulls directly from classical number theory plus NumGrid solver-derived puzzle statistics. What follows is the per-entity context — how 355 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 355 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 355 a prime number?
No. 355 is composite. Its prime factorization is 5 × 71.
What are the factors of 355?
The factors (divisors) of 355 are 1, 5, 71, 355.
What is 355 in binary?
355 in binary is 101100011. In hexadecimal it's 163.
What is 355 as a Roman numeral?
355 in Roman numerals is CCCLV.
What's the digit sum of 355?
Adding the digits of 355: 3 + 5 + 5 = 13.