How to write a set of numbers in LaTeX (natural, real, complex numbers)

Symbol Command
$\mathbb{N}$ \mathbb{N}
$\mathbb{Z}$ \mathbb{Z}
$\mathbb{Q}$ \mathbb{Q}
$\mathbb{R}$ \mathbb{R}
$\mathbb{C}$ \mathbb{C}
Symbol Command
$\N$ \N
$\natnums$ \natnums
$\Z$ \Z
$\R$ \R
$\reals$ \reals
$\Reals$ \Reals
$\cnums$ \cnums
$\Complex$ \Complex

LaTeX set

LaTeX