Is 421 an Integer?

Integer Question: Is 421 an Integer?

For 421 to be an integer, 421 has to be a whole number. Furthermore, for 421 to be an integer, you should be able to write 421 without a fractional or decimal component.

421 is a whole number that can be written without a fractional component, thus 421 is an integer.

The answer to the question: "Is 421 an integer?" is YES.

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