Most students, of course, don't intend to plagiarize. In fact, most realize that citing sources actually builds their credibility for an audience and even helps writers to better grasp information relevant to a topic or course of study.
Routing transit number. An ABA routing transit number (ABA RTN) is a nine digit code, used in the United States, which appears on the bottom of negotiable instruments such as checks to identify the financial institution on which it was drawn.
Check numbers tend to run in the thousands, 4 or 5 digits; routing numbers are 9 digits; and account numbers are typically 9 or 10 digits. The logic behind these numbers is, of course, based on powers of ten.