Symbols:N/Non-Zero Natural Numbers

Natural Numbers

 * $\N_{> 0}$ or $\N_{\ne 0}$

The set of non-zero natural numbers:
 * $\N_{> 0} = \set {1, 2, 3, \ldots}$

Variants

 * $\N^*$

The set of non-zero natural numbers:
 * $\N^* = \set {1, 2, 3, \ldots}$