1810 is the decimal version of the Uniden AFS (agency/fleet/subfleet) listing.
Since there are 2048 possible talkgroups (16 agencies * 16 fleets * 8 subfleets)
you can work it out mathematically.
ie:
1810 / 2048 = .8837890625
16 * .8837890625 = 14.140625 [Agency 14]
16 * .140625 = 2.25 [Fleet 02]
8 * .25 = 2 [Subfleet 2]
That's how we get 14-022 as the talkgroup in AFS mode!