I assume you mean numlock rather than the entire numpad (which is a separate part of the keyboard and therefore is active by default), therefore:
https://wiki.archlinux.org/title/Activating_numlock_on_bootup
I assume you mean numlock rather than the entire numpad (which is a separate part of the keyboard and therefore is active by default), therefore:
https://wiki.archlinux.org/title/Activating_numlock_on_bootup