Is a Whole Number A Rational Number
32316
Are all integers fractions?
85895
Proving all rational numbers including negatives are countable
2742
Is infinity a number?
152172
Does there exist a positive irrational number $\alpha $, such that for any positive integer $n$ the number $\lfloor n\alpha \rfloor$ is not a prime?
32
Is $n^{th}$ root of $2$ an irrational number?
34825
Intuitive explanation for how could there be "more" irrational numbers than rational?
33138
Is Rational number under multiplication group?
69264
Is there an irrational number $a$ such that $a^a$ is rational?
68456
Prove that there exists irrational numbers $x$ and $y$ such that $x + y$ is rational, without using subtraction
101028
Irrational numbers and Borel Sets
41767
Sequence of rational numbers converging to an arbitrary irrational number $\beta$.
48975
Transcendental numbers and irrationality measure
9969
Is infinity a real number?
86988
Cardinality of the Irrationals
120935
Why is every continuous function on the reals determined by its value on rationals?
97071
Is the cube root of a prime number rational?
44476
Can we ever get an irrational number by dividing two rational numbers?