Ok, feel free copy/paste and add to it. This will show things a little easier I think. If I got something wrong, feel free to correct it, just let me know so I don't make the same mistake twice!
Apr 18, 15 177XX IAmKrazy2
Jun 2, 15 182XX lovecrush
Jun 4, 15 18XXX Low Mr. Me2
Jun 4, 15 182XX Joel W.
Jun 4, 15 183XX IAmKrazy2
Jul 27, 15 19XXX Low Alan Partridge
Aug 3, 15 19XXX Low vapviking
Nov 24, 15 232XX Joel W.
Dec 8, 15 234XX MonkeyTime
I think it's a safe assumption to say 1 Hopper per order. Some will have more, some may just be accessories, but it's a fair place to start. Do we know if they started the transaction ID's after the backers or does it include them? Any idea what the very early ID's were? 10000 maybe?