Is 639 a Rational Number?

The number 639 is a rational number if 639 can be expressed as a ratio, as in RATIOnal.

A quotient is the result you get when you divide one number by another number. For 639 to be a rational number, the quotient of two integers must equal 639.

In other words, for 639 to be a rational number, 639 must be able to be expressed as a ratio where both the numerator and the denominator are integers (whole numbers).

The number 639 can be expressed as 639/1 where 639 is the numerator and 1 is the denominator.

Thus, the answer to the question "Is 639 a rational number?" is YES.

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