For 1009 to be an integer, 1009 has to be a whole number. Furthermore, for 1009 to be an integer, you should be able to write 1009 without a fractional or decimal component.
1009 is a whole number that can be written without a fractional component, thus 1009 is an integer.
The answer to the question: "Is 1009 an integer?" is YES.
Integer?
Check other numbers to see if they are integers.
Is 1010 an Integer?
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More Information from Research Maniacs:
Is 1009 a prime number?
Now you know that 1009 is an integer, but do you know if 1009 is a prime number?
What are the factors of 1009?
What are the factors of the integer 1009 you ask?
Is 1009 a square number?
Find out if 1009 is a perfect square number!
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