irrational
irrational number
even number
extended real number system
noninteger
prime number
noncototient
purely imaginary number
complex quantity
imaginary number
imaginary
complex number
simple fraction
non-hypotenuse number
common fraction
numerization
untouchable number
transcendental number
denumerization
rational
nonreal
scientific notation
real
real number
whole number
arithmetic
Blum integer
Fermat number
aliquant part
prime quantity
surd
non-integer
prime
composite number
Archimedean property
aliquant
Pisot-Vijayaraghavan number
commensurator
pure imaginary number
double digit
aleph-zero
perfect cube
aleph-nought
fraction
aleph-null
semiprime
algebraic integer
Cullen number
duale tantum
bidoublet