Naturales N {\displaystyle \mathbb {N} } {0,1,2,3,...} sive {1,2,3,...}
Integri Z {\displaystyle \mathbb {Z} } {...,-2,-1,0,+1,+2,...}
Rationales Q {\displaystyle \mathbb {Q} } Reales R {\displaystyle \mathbb {R} }
Complexi ℂ
Quaterni H {\displaystyle \mathbb {H} } Octoni O {\displaystyle \mathbb {O} } Infinitas ∞ {\displaystyle \infty }