Numerus naturalis

Naturales {0,1,2,3...}

• Primi {2,3,5,7,11...}
  
• Abundantes
• Amicabiles
• Composti
• Defectivi
• Perfecti
• Sociabiles
  

Integri {...-2,-1,0,+1,+2,...}

• Pares {...-2,0,+2,..}
• Impares {...-3,-1,+1,+3...}
  

Rationales {...-1/2..0..1/2..1...}
Reales {Q U I U Tr}

• Irrationales
  
• Algebraici
  
• Transcendentes Tr
  
  • Numerus pi
    
  • Numerus Euleri

Complexi

• Numerus imaginarius
  

Infinitas

• Basis Binaria (2)
• Basis Octalis (8)
• Basis Decimalis (10)
• Basis Hexadecimalis (16)