Formula:Numeri

Systemata Numerica Mathematicae.
Numeri Elementarii
Naturales $\mathbb {N}$ {0,1,2,3...} sive {1,2,3...} Primi $\mathbb {P}$ {2,3,5,7,11...} Abundantes Amicabiles Compositi Defectivi Perfecti Sociabiles Integri $\mathbb {Z}$ {...-2,-1,0,+1,+2,...} Pares {...-2,0,+2,..} Impares {...-3,-1,+1,+3...} Rationales $\mathbb {Q}${...-1/2..0..1/2..1...} Reales $\mathbb {R}$ {Q U I} Irrationales $\mathbb {I}$ Algebraici Transcendentes $\mathrm {Tr}$ Numerus pi $\pi \approx 3.14159265358979\ldots$ Numerus Euleri $e\approx 2.718281828459045\ldots$ Complexi $\mathbb {C}$ Numerus imaginarius $i={\sqrt {-1}}$ Quaterni $\mathbb {H}$ Octoni $\mathbb {O}$ Infinitas $\infty$
Variae radices
Radix binaria(2) Radix octalis(8) Radix decimalis(10) Radix sedecimalis(16)