The number 2 is an irrational number if 2 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 2 to be an irrational number, the quotient of two integers canNOT equal 2.
In other words, for 2 to be an irrational number, 2 canNOT be expressed as a ratio where both the numerator and denominator are integers (whole numbers).
The number 2 can be expressed as 2/1 where 2 is the numerator and 1 is denominator.
Thus, the answer to the question "Is 2 an irrational number?" is NO.
Enter another number to see if it is irrational:
Is 3 an Irrational Number?
See information about the next number on our list.