186 (number)
Natural number
From Wikipedia, the free encyclopedia
186 (one hundred [and] eighty-six) is the natural number following 185 and preceding 187.
Cardinalone hundred eighty-six
Ordinal186th
(one hundred eighty-sixth)
(one hundred eighty-sixth)
Factorization2 Ã 3 Ã 31
Divisors1, 2, 3, 6, 31, 62, 93, 186
| ||||
|---|---|---|---|---|
| Cardinal | one hundred eighty-six | |||
| Ordinal | 186th (one hundred eighty-sixth) | |||
| Factorization | 2 Ã 3 Ã 31 | |||
| Divisors | 1, 2, 3, 6, 31, 62, 93, 186 | |||
| Greek numeral | ΡΠÏ´ | |||
| Roman numeral | CLXXXVI, clxxxvi | |||
| Binary | 101110102 | |||
| Ternary | 202203 | |||
| Senary | 5106 | |||
| Octal | 2728 | |||
| Duodecimal | 13612 | |||
| Hexadecimal | BA16 | |||
In mathematics
There is no integer with exactly 186 coprimes less than it, so 186 is a nontotient. It is also never the difference between an integer and the total of coprimes below it, so it is a noncototient.[1]
There are 186 different pentahexes, shapes formed by gluing together five regular hexagons, when rotations of shapes are counted as distinct from each other.[2][3]
186 is a Fine number.[4]
