Archimedean property
irrational
irrational number
hyperreal number
noninteger
open interval
complex number
extended real number system
complexification
surreal number
majorization
number
lower limit
imaginary number
algebraic integer
real
real number
real function
hyperbolic quaternion
numerical value
absolute value
real number line
Dedekind cut
standard topology
upper limit
imaginary part
valuation
number-theoretic function
imaginary
supremum
complex quantity
numberhood
prime quantity
split-complex number
prime
nonstandard number
nonreal
real number system
complex conjugate
continuum
Pisot-Vijayaraghavan number
divisibility sequence
Heegner number
purely imaginary number
real matrix
practical number
Ostrowski numeration
Blum integer
real analysis
transcendental number
characteristic
weird number
Gromov-Witten invariant
prime number
Benford's law
Dirichlet energy
posynomial
domain
arithmetic
positional notation
positional representation system
composite number
arithmetic function
quadratic integer
constant
aleph-one