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Numbers and types of number

Arabic numeral

noun

one of the written symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 that are used in the writing systems of many countries to represent numbers

arithmetic progression

noun

a series of numbers in which the same number is added to each number to produce the next, for example 3, 6, 9, 12

base

noun

a number that is used to form a system of counting. The usual system of counting uses base 10, and the binary system used in computers uses base 2.

coefficient

noun

a number written before a variable (=quantity that can change) that shows how much the variable is to be multiplied by

common factor

noun

a number that a group of two or more other numbers can be divided by exactly. 4 is a common factor of 8, 12, and 20

common multiple

noun

a number that can be divided exactly by two or more other numbers. 12 is a common multiple of 2, 3, and 4

computation

noun

a number or amount that you have calculated

constant

noun

a number or amount that is always the same

cube

noun

the cube of a number is the larger number that is the result of multiplying the number by itself twice. For example, the cube of 2 is 2 x 2 x 2, which is 8.

cube root

noun

the cube root of a number is the smaller number that you multiply by itself twice to make the number. For example, the cube root of 8 is 2.

decimal

noun

a number in a counting system based on the number ten that consists of numbers on either side of a decimal point. 0.5, 25.75, and 873.4 are all decimals.

denominator

noun

the number that is below the line in a fraction. In ¾, 4 is the denominator. The number above the line is the numerator.

digit

noun

one of the written numbers from 0 to 9

dividend

noun

a number that is going to be divided by another number

divisor

noun

the number by which another number is divided

double digits

noun

double figures

double figures

noun

the numbers 10 to 99

factor

noun

a number that you can divide a larger number by exactly

factorial

noun

the total that you get when you multiply a number by all the whole numbers below it

figure

noun

an official number that has been counted or calculated

figure

noun

a number

geometric progression

noun

a series of numbers in which each number is multiplied by a particular quantity in order to get the next number, for example 1, 5, 25, 125

gross

noun

144 of something

highest common factor

noun

the highest number that can be divided exactly into each number in a particular set

incidence

noun

the number of times something happens, especially something bad

independent variable

noun

in mathematics, a variable whose value does not depend on the value of something else changing

index

noun

a number that shows the price, value, or level of something compared with something else

index

noun

a small number written or printed above and to the right of a number. It shows how many times the main number is to be multiplied by itself.

index number

noun

a number that shows the change in the level of something such as a price or unemployment, compared with an earlier time

infinity

noun

the largest number that exists

integer

noun

a whole number that can be positive, negative, or zero

lowest common multiple

noun

the lowest number that can be divided by all the numbers in a set

magic number

noun

a number that is important or has to be reached before something can happen

median

noun

a number that is in the middle of a set when they are arranged in order. For example, in the numbers 1, 3, 4, 8, 9, the median is 4

mixed number

noun

a number made up of a whole number and a fraction, for example 5½

multiple

noun

a number that you can divide by a smaller number an exact number of times

no.

abbreviation

number

nos.

abbreviation

numbers

number

noun

a sign or word that represents an amount or quantity. 1, 2, 3 etc and ‘one’, ‘two’, ‘three’ etc are numbers

number

noun

used for showing the position of something in a series

number

noun

a number that marks something in a way that separates it from everything else of its type, so that you can easily find it or discover who it belongs to

numbers game

noun

a situation in which decisions are based on points or numbers, not on other qualities that may be more important

numerator

noun

the number that appears above the line in a common fraction

pi

noun

in mathematics, a number written as the symbol π that is used to show the relationship between the distance around a circle and the distance across it

positive

noun

a number that is higher than zero

prime number

noun

a number that can only be divided exactly by itself and the number 1, for example 7

product

noun

a number that is the result of multiplying two other numbers

quadruple

noun

a number or amount that is four times bigger than another

quotient

noun

the number that is the result of dividing one number by another

reference

noun

a number or symbol that shows someone where they can find information that they need

remainder

noun

in mathematics, the amount that is left when one number cannot be divided exactly by another

root

noun

the root of a number is another number that, when multiplied by itself a particular number of times, equals that number. For example, 3 is the square root of 9 and the cube root of 27.

set

noun

a group of numbers in mathematics

square

noun

the number that is the result of multiplying one number by itself

square

verb

a number that is squared is multiplied by itself

square root

noun

a number that you multiply by itself to produce a particular number. For example, the square root of 9 is 3.

standard deviation

noun

a number that shows how much smaller or larger a number in a set of numbers is from the average of the set

statistics

noun

a group of numbers that represent facts or that describe a situation

statistic

noun

a number that represents a fact or describes a situation

stats

noun

statistics

unit

noun

a whole number less than 10

value

noun

a mathematical number or amount that is not known and is represented by a letter

whole number

noun

a number such as 1, 32, 144 etc, rather than a number such as 0.1, 0.32, 1/2, 3/4 etc

even number

a number that can be exactly divided by 2, such as 2, 4, 6, 8 etc

odd number

a number that cannot be exactly divided by 2, such as 1, 3, 5, 7 etc

round number

a number that ends in 0, such as 40, 450, or 4000

mom jeans

a style of loose-fitting jeans with a high waist, often considered unfashionable

BuzzWord Article

Open Dictionary

endies

Employed but with No Disposable Income or Savings: people who are in work but only earn just enough to live on

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