A page of the Numeropedia - the Special Encyclopedia of Numbers
01--09 & 10--19
[Sport] The jersey numbers most usually worn by American football players in the quarterback, kicker and punter positions.
[Library] Numbers 000-099 are the first 3 digits in Dewey Decimal Classification System call numbers for library books in Generalities (Bibliographies, Encyclopedias, Magazines and Computer Science…). Numbers 000-003 are for General Knowledge and numbers 004-006 for Computer Science.
The numbers commonly assigned for lower level undergraduate (the first 2 college years, freshman and sophomore) courses in most U.S. universities and colleges.