Sounds pretty good but your temps are a tad low. You want the warm spot to be 90-94 and the rest of the tank needs to be near 80.

The numbers list the sex of the snakes you have.
1.3.2 Ball Python Would mean 1 male, 3 female, and 2 unsexed/unknown. So this person would have 6 ball pythons total.

If you don't have any unknown animals it is usually shortened to 1. 3 meaning 1 male and 3 females.