Integers

Integer Definition:

An integer is a positive or negative
whole number (including 0). This cannot be a fraction.

Integer Notation

We represent the set of integers as ℤ
Integers extend from but do not include (-∞, ∞)

What do Integers Include?

Natural (Counting) Numbers (ℕ) (1, 2, 3, 4, ...)
Whole Numbers (0, 1, 2, 3, 4, ...)
Negative Counting Numbers (..., -4, -3, -2, -1)

What do Integers NOT Include?

Rational Numbers (ℚ) (Fractions, Decimals) (1/2, 0.8, 3.5, ... )
Irrational Numbers (like π, Euler's Number (e) = 2.718281828459, √2, etc)
Positive Infinity ∞
Negative Infinity -∞
Imaginary Numbers like i = √-1

Properties of Integers

Positive integers are to the right of 0 on a number line
Negative integers are to the left of 0 on a number line
As we move right on the number line, integers increase in value
As we move left on the number line, integers decrease in value
Extend infinitely (but do not include infinity)
Any non-zero integer is either negative or positive.

Properties of Integers:

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Integers Calculator:

Integer Check

How does the Integers Calculator work?

Free Integers Calculator - This lesson walks you through what integers are, how to write integers, integer notation, and what‘s included in integers

What 1 formula is used for the Integers Calculator?

What 5 concepts are covered in the Integers Calculator?

integersnatural numberthe positive integers (whole numbers)
1, 2, 3, ...numberan arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.propertyan attribute, quality, or characteristic of somethingwholenumbers that include natural numbers and zero

Integers Calculator Video

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