The number 19 is an irrational number if 19 canNOT be expressed as a ratio, as in irRATIOnal.
A quotient is the result you get when you divide one number by another number. For 19 to be an irrational number, the quotient of two integers canNOT equal 19.
In other words, for 19 to be an irrational number, 19 canNOT be expressed as a ratio where both the numerator and denominator are integers (whole numbers).
The number 19 can be expressed as 19/1 where 19 is the numerator and 1 is denominator.
Thus, the answer to the question "Is 19 an irrational number?" is NO.
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Is 20 an Irrational Number?
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