no - 0.333333 is 333333/1000000, which is the ratio of two integers, the denominator not being zero, and that meets the definition of a rational number. Also, 0.333333, with the 3's repeating forever is 1/3, also a rational number.
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At least one of the factors has to be irrational.* An irrational number times ANY number (except zero) is irrational. * The product of two irrational numbers can be either rational or irrational.
it is a rational number but 4.121314..... is an irrational no
An irrational number.
It is an irrational number.
Any, and every, irrational number will do.