Apparently that number IS correct. The system is called the Myers-Briggs Type Indicator.
http://en.wikipedia.org/wiki/Myers_briggs
After you figure out your type you can dig up all sorts of stuff on it, like I found this for my type.
http://www.personalitypage.com/INFJ_per.html
Some pretty cool stuff, it's all pretty much spot on for me, including my faults.. and talks a lot about why you have those faults and try to fix it.
Take the test dang you peoples.