List of numbers — Integers << 180 181 182 183 184 185 186 187 188 189 >> This is a list of articles about numbers (not about numerals). ... The integers consist of the positive natural numbers (1, 2, 3, …), their negatives (−1, −2, −3, ...) and the number zero. ... 179 is the natural number between 178 and 180. ... 180 (one hundred eighty) is the natural number following 179 and preceding 181. ... 181 is the natural number between 180 and 182. ... 182 is the natural number between 181 and 183. ... Cardinal One hundred [and] eighty-three Ordinal 183rd Factorization Roman numeral CLXXXIII Binary 10110111 Hexadecimal B7 183 is the natural number following 182 and preceding 184. ... Cardinal One hundred [and] eighty-four Ordinal 184th Factorization Roman numeral CLXXXIV Binary 10111000 Hexadecimal B8 184 is the natural number following 183 and preceding 185. ... 185 (Roman: CLXXXV) is the number equal to 37 times 5. ... 186 is the natural number following 185 and preceding 187. ... Cardinal One hundred [and] eighty-seven Ordinal 187th Factorization Roman numeral CLXXXVII Binary 10111011 Hexadecimal BB 187 is the natural number following 186 and preceding 188. ... Cardinal One hundred [and] eighty-eight Ordinal 188th Factorization Roman numeral CLXXXVIII Binary 10111100 Hexadecimal BC 188 is the natural number following 187 and preceding 189. ... 190 is the natural number following one hundred eighty-nine and preceding one hundred ninety-one. ...
Cardinal	One hundred [and] eighty-nine
Ordinal	189th
Factorization
Roman numeral	CLXXXIX
Binary	10111101
Hexadecimal	BD

189 is the natural number following 188 and preceding 190. In linguistics, cardinal numbers is the name given to number words that are used for quantity (one, two, three), as opposed to ordinal numbers, words that are used for order (first, second, third). ... Commonly, ordinal numbers, or ordinals for short, are numbers used to denote the position in an ordered sequence: first, second, third, fourth, etc. ... In mathematics, factorization or factoring is the decomposition of an object (for example, a number, a polynomial, or a matrix) into a product of other objects, or factors, which when multiplied together give the original. ... The system of Roman numerals is a numeral system originating in ancient Rome, and was adapted from Etruscan numerals. ... The binary numeral system (base 2 numerals) represents numeric values using two symbols, typically 0 and 1. ... In mathematics and computer science, hexadecimal, or simply hex, is a numeral system with a radix or base of 16 usually written using the symbols 0–9 and A–F or a–f. ... A natural number is either a positive integer (1, 2, 3, 4, ...) or a non-negative integer (0, 1, 2, 3, 4, ...). The former definition is generally used in number theory, while the latter is preferred in set theory and computer science. ... Cardinal One hundred [and] eighty-eight Ordinal 188th Factorization Roman numeral CLXXXVIII Binary 10111100 Hexadecimal BC 188 is the natural number following 187 and preceding 189. ... 190 is the natural number following one hundred eighty-nine and preceding one hundred ninety-one. ...

If cubes of negative numbers are allowed, then 189 is the smallest positive integer that can be expressed as a sum of two cubes in two different ways: 6³ + (-3)³ = 4³ + 5³ = 189. (If the negative numbers are disallowed, then the smallest such number is 1729. 1729 is known as the Hardy-Ramanujan number, after a famous anecdote of the British mathematician G. H. Hardy regarding a hospital visit to the Indian mathematician Srinivasa Ramanujan. ...

189 is a centered cube number. A centered cube number is a centered figurate number that represents a cube. ...

Uses

• The year 189