Examples: 0, 7,212 and also 1023 space all entirety numbers

(But numbers prefer ½, 1.1 and also −5 are not totality numbers.)


Counting Numbers

Counting number are entirety Numbers, yet without the zero. Since you can\"t \"count\" zero.

You are watching: How many whole numbers are there

\"*\"

So they space 1, 2, 3, 4, 5, ... (and for this reason on).

Natural Numbers

\"Natural Numbers\" can mean either \"Counting Numbers\" 1, 2, 3, ..., or \"Whole Numbers\" 0, 1, 2, 3, ..., relying on the subject.

Integers

Integers room like entirety numbers, however they also include negative numbers ... However still no fountain allowed!

\"*\"

So, integers have the right to be negative −1, −2,−3, −4, ... , positive 1, 2, 3, 4, ... , or zero 0

We have the right to put that all together prefer this:

Integers = ..., −4, −3, −2, −1, 0, 1, 2, 3, 4, ...


Examples: −16, −3, 0, 1 and 198 are all integers.

(But numbers choose ½, 1.1 and also 3.5 room not integers)


These space all integers (click to mark), and they continue left and right infinitely:


numbers/images/number-line.js?mode=int

Some human being Have different Definitions!

Some world (not me) speak that entirety numbers can likewise be negative, which provides them exactly the very same as integers.

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And some civilization say the zero is not a entirety number. So there you go, no everyone agrees top top a an easy thing!

My Standard

I usually stick come this:


Name
Numbers
Examples
Whole Numbers
0, 1, 2, 3, 4, ...
0, 27,398, 2345
Counting Numbers
1, 2, 3, 4, ...
1, 18, 27, 2061
Integers
... −4, −3, −2, −1, 0, 1, 2, 3, 4, ...
−15, 0, 27, 1102

And anyone agrees on the an interpretation of one integer, so as soon as in doubt say \"integer\".

And as soon as you just want positive integers, speak \"positive integers\". That is not just accurate, it provides you sound intelligent. Prefer this (note: zero isn\"t confident or negative):

Integers = ..., −4, −3, −2, −1, 0, 1, 2, 3, 4, ... an adverse Integers = ..., −4, −3, −2, −1 confident Integers = 1, 2, 3, 4, ... Non-Negative Integers = 0, 1, 2, 3, 4, ... (includes zero, see?)

Other Numbers

For an amazing look at other species of numbers review The advancement of Numbers


422,423, 1058, 1059, 2988, 2989, 3980, 3981, 3982, 5346
Number Line including and Subtracting positive and an adverse Numbers Number index Algebra Index