For 28 to be an integer, 28 has to be a whole number. Furthermore, for 28 to be an integer, you should be able to write 28 without a fractional or decimal component.
28 is a whole number that can be written without a fractional component, thus 28 is an integer.
The answer to the question: "Is 28 an integer?" is YES.
Integer?
Check other numbers to see if they are integers.
Is 29 an Integer?
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More Information from Research Maniacs:
Is 28 a prime number?
Now you know that 28 is an integer, but do you know if 28 is a prime number?
What are the factors of 28?
What are the factors of the integer 28 you ask?
Is 28 a square number?
Find out if 28 is a perfect square number!
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