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# What is an integer in math?

**Integers are positive and negative whole numbers, including zero.** As with whole numbers, integers do not include fractions or decimals. Integers are a part of the numerical classification system in mathematics.

Adding, subtracting and multiplying two integers always results in another integer. The ratio, or division, of two integers is a rational number. A number line is a way to graph and to add and subtract integers by counting forward and backward. Integers are the second set in the hierarchy of numbers, which includes the subset of all natural numbers as integers. Real numbers and rational numbers include all integers.

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Q:
## What are some facts about the number 16?

A: The number 16 is an even number and is the only integer that has the form xy=yx, where x and y are different numbers (2 and 4). Another fact is that the ba... Full Answer >Filed Under: -
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## What is the difference between odd and even numbers?

A: Even numbers are integers that when divided by two produce another integer. Odd numbers are integers that are not divisible by two; in other words, when di... Full Answer >Filed Under: -
Q:
## What are benchmark numbers in math?

A: In mathematics, benchmark numbers are predefined numbers that assist in estimation of an unknown quantity. Benchmark numbers tend to be multiples of 5 or 1... Full Answer >Filed Under: -
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## What are compatible numbers in math?

A: According to Math Goodies, compatible numbers in math are whole numbers close in value to the real numbers but allow easier computation. Compatible numbers... Full Answer >Filed Under: