even, composite, triangular, palindrome · 6th positive integer

The number 6

6 is an even composite number. It's known as the smallest perfect number (1+2+3=6). It is the 6th positive integer.

Quick reference

Prime factorization	2 × 3
Divisors	1, 2, 3, 6
Binary	110
Hexadecimal	0x6
Roman numeral	VI
Digit sum	6
Properties	even, composite, triangular, palindrome

Why 6 is notable

The smallest perfect number (1+2+3=6).

Reading 6 in NumGrid context

For 6, 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.

The methodology behind every numeric value on this page is publicly documented on the classical number theory plus NumGrid solver-derived puzzle statistics portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.

Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for 6’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.