I've always liked libraries.

(Yes, Betty, you may steal this one for your own blog, and thank you to Robomarkov for making me aware of it.)

Captain Chlorophyll's Dewey Decimal Section:

121 Epistemology

Captain Chlorophyll = 316019438258568522 = 316+019+438+258+568+522 = 2121


Class:
100 Philosophy & Psychology


Contains:
Books on metaphysics, logic, ethics and philosophy.



What it says about you:
You're a careful thinker, but your life can be complicated and hard for others to understand at times. You try to explain things and strive to express yourself.

Find your Dewey Decimal Section at Spacefem.com

This second one doesn't suit me as well, I think.

Captain Chlorophyll's Dewey Decimal Section:

039 Encyclopedias in other languages

Captain Chlorophyll's birthday: 6/8/1971 = 68+1971 = 2039


Class:
000 Computer Science, Information & General Works


Contains:
Encyclopedias, magazines, journals and books with quotations.



What it says about you:
You are very informative and up to date. You're working on living in the here and now, not the past. You go through a lot of changes. When you make a decision you can be very sure of yourself, maybe even stubborn, but your friends appreciate your honesty and resolve.

Find your Dewey Decimal Section at Spacefem.com

The third one was based off my favorite one to three digit number. Since I don't have a favorite number, I left it blank.