Template:Number systems

Double spacing after mathematic symbols set on purpose.

v t e Number systems
Basic	Natural numbers ( $\scriptstyle \mathbb {N}$ )Template:Ö Integers ( $\scriptstyle \mathbb {Z}$ )Template:Ö Rational numbers ( $\scriptstyle \mathbb {Q}$ )Template:Ö Irrational numbers ( $\scriptstyle \mathbb {J}$ or $\scriptstyle \mathbb {P}$ )Template:Ö Real numbers ( $\scriptstyle \mathbb {R}$ )Template:Ö Imaginary numbers ( $\scriptstyle \mathbb {I} \,$ )Template:Ö Complex numbers ( $\scriptstyle \mathbb {C}$ )Template:Ö Algebraic numbers ( $\scriptstyle {\overline {\mathbb {Q} }}$ )Template:Ö Transcendental numbers Template:Ö Quaternions ( $\scriptstyle \mathbb {H}$ )Template:Ö Octonions ( $\scriptstyle \mathbb {O}$ )Template:Ö Sedenions ( $\scriptstyle \mathbb {S}$ )Template:Ö Cayley–Dickson construction Template:Ö Split-complex numbers
Complex extensions	Bicomplex numbers Template:Ö Biquaternions Template:Ö Split-quaternions Template:Ö Tessarines Template:Ö Hypercomplex numbers Template:Ö Musean hypernumbers Template:Ö Superreal numbers Template:Ö Hyperreal numbers Template:Ö Supernatural numbers Template:Ö Surreal numbers
Other extensions	Dual numbers Template:Ö Transfinite numbers Template:Ö Extended real numbers Template:Ö Cardinal numbers Template:Ö Ordinal numbers Template:Ö p-adic numbers