That's the problem with different distros, they often use slightly different run levels. However, AFAIK, the following runlevels are standard across all *nix systems:

0: halt
1: single user
3: multi-user, console login
5: multi-user, graphical login
6: reboot

The others might be configured by a particular distro or even the user, but I've never come across any *nix distro (and I've used a lot of different ones) that don't adhere to the five standard runlevels listed above.