Kinds of Numbers: Definition and Examples
Kinds of Numbers: Definition and Examples – What is that number? A number is a collection of numbers that occupy a sequence. On this occasion we will discuss the various types and examples. Let's see to understand more.
Kinds of Numbers: Definition and Examples
Number is a mathematical concept used for enumeration and measurement. Symbols or symbols to represent numbers are called numbers or number symbols.
Numbers are a collection of numbers that occupy the order from the right as unit values, tens, hundreds, thousands and so on. And the meaning of numbers according to Wikipedia is a mathematical concept that is used for enumeration and measurement.
The symbols and symbols used to represent a number are called numbers or number symbols. In mathematics, the concept of number has been extended over the years to include zero, negative numbers, rational numbers, irrational numbers and complex numbers.
Types of Numbers and Examples
There are various types of numbers, the following is an explanation of the various types of numbers along with complete examples.
Real Numbers
Natural numbers are positive numbers starting from one and going up. For example: N = {1, 2, 3, 4, 5, 6, 7….}
Integers
The definition of integers is the set of negative integers, zero and positive integers. For example: B = {…., -4, -3, -2, -1, 0, 1, 2, 3, 4,…..}
Count Numbers
The definition of whole numbers is the set of numbers consisting of positive numbers and zero. For example: C = {0, 1, 2, 3, 4, 5, 6, 7, 8,….}
Primes
The definition of a prime number is a number that cannot be divided by any other number except the number itself and 1. For example: P = {2, 3, 5, 7, 11, 13, 17, …..}
Zero Numbers
The definition of the number zero is the number zero (0) itself. For example: N = {0}
Fractional Numbers
The definition of a fractional number is a number that can be expressed in the form a/b where a and b are integers and b ≠ 0. The number a is called the quantifier and b is called the denominator. For example: H = { ⅓, ⅔, ⅛, ⅝, ….. }
Note: 4/2 = 2, meaning 4/2 is not a fraction.
Rational number
The definition of a rational number is a number expressed in the form a/b where a and b are integer members and b ≠ 0. For example: R = { ¼, ¾, …. }
Irrational Number
The definition of an irrational number is a set of numbers that cannot be expressed in the form of a fraction or a number other than a rational number. For example: I = { √2, √3, √5, √6, √7, ….. }
The statement √9 = 3 means that √9 is not an irrational number.
Real Numbers
The definition of real numbers is a set of numbers in the form of a combination of rational numbers and irrational numbers. For example: R = { 0, 1, ¼, ⅔, √2, √5, ….. }
Negative Numbers
The definition of a negative number is a number that has a negative value. For example: N = { -3, -5, ¼, …. }
Note -1/-4 = ¼, so -1/-4 is not a negative number.
Positive Numbers
The definition of a positive number is a number that has a positive value other than zero. For example: P = {2, 3, 4, 5, ¼, ….}
Even number
The definition of an even number is a number that will be finished when divided by 2. For example: Ge = {2, 4, 6, 8, 10, 12, ….}
Odd numbers
The definition of an odd number is a number which, when divided by 2, leaves 1 or a number that can be expressed by 2n-1 where n is an integer. For example: Ga = {-3, -1, 1, 3, 5, 7, 9, 11, …. }
Composite Numbers
The definition of a composite number is a natural number that is greater than 1 but is not a prime number. For example: K = {4, 6, 8, 9, 10, 12, ….}
Real Numbers
The definition of a real number is a number that can be written in decimal form. For example: L = { 5/8, log 10, ….}
Imaginary Numbers
The definition of an imaginary number is the number i (imaginary unit), where i is the symbol for a new number that is i2 = -1. For example: I = {i, 4i, 5i, …..}
Complex Numbers
The definition of a complex number is a number whose members are a+bi, where a, b ϵ R, i2 = -1. With a real number part and b imaginary part part. For example K = {2-3i, 8+2, …..}
Square Numbers
The definition of a square number is a number that results from multiplying a number by itself twice and is symbolized by a power of 2.
For example: K = {22, 32,42,52,62,….}
Roman numerals
Roman numerals are a numbering system originating from ancient Rome using Latin letters which represent numeric numbers. Example: M = {I, II, III, IV, V, VI, VII, VIII, XI, X, XI,…..}
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