188 (number)

188 (one hundred [and] eighty-eight) is the natural number following 187 and preceding 189.

← 187 188 189 →
← 180 181 182 183 184 185 186 187 188 189 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred eighty-eight
Ordinal	188th (one hundred eighty-eighth)
Factorization	22 × 47
Greek numeral	ΡΠΗ´
Roman numeral	CLXXXVIII, clxxxviii
Binary	101111002
Ternary	202223
Senary	5126
Octal	2748
Duodecimal	13812
Hexadecimal	BC16

In mathematics

There are 188 different four-element semigroups,^[1] and 188 ways a chess queen can move from one corner of a ${\displaystyle 4\times 4}$ board to the opposite corner by a path that always moves closer to its goal.^[2] The sides and diagonals of a regular dodecagon form 188 equilateral triangles.^[3]

In other fields

The number 188 figures prominently in the film The Parallel Street (1962) by German experimental film director Ferdinand Khittl [de]. The opening frame of the film is just an image of this number.^[4]

See also

• All pages with titles containing 188