number
A number can be any of…
\mathbb{N}: natural number \mathbb{Z}: integer \mathbb{Q}: rational number \mathbb{R}: real number \mathbb{P}: irrational number \mathbb{C}: complex number
A number can be any of…
\mathbb{N}: natural number \mathbb{Z}: integer \mathbb{Q}: rational number \mathbb{R}: real number \mathbb{P}: irrational number \mathbb{C}: complex number