rational
irrational
Rational numbers and Real numbers
It belongs to the interval (25, 27.3), or [-20.9, 10*pi], and infinitely more such intervals.It also belongs to the set of rational numbers, real numbers, complex numbers and quaternions.
Pi belongs to the sets of real numbers, transcendental numbers and irrational numbers.
Rationals and the reals, themselves.
Negative integers, rationals and real numbers
Rational
rational
Positive numbers
Rational
Irrational
irrational
Numbers that include real numbers are natural numbers, whole numbers, integers, rational numbers and irrational numbers.
RATIONAL , doing the same program .
Integer, Real, whole, and natural. I may have skipped a few.
Irrational: it cannot be written exactly in the decimal notation.