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Identification Numbers and Check Digit Schemes

Identification numbers are used to identify individual items, specific products, people, accounts, or documents. Social security numbers, driver s license numbers, credit card numbers. International Standard Book Numbers (ISBNs). Universal Product Codes (UPCs). and bank account numbers are all examples of identification numbers. In addition, numbers are used to identify passports. United States (US) Post Office money orders, UPS packages, library books, merchandise, and many other items. [Pg.1]

In general, two pieces of information are needed in referring to an identification number  [Pg.2]

The lowercase letter n denotes the length of an identification number, which is the total number of digits, letters, and symbols in the identification number. [Pg.2]

Variety Pack of Jjust Jjuicy with UPC 0-53GOO-10054-0 [Pg.2]

US Postal Money Order with Identification Number 67021200988 [Pg.2]


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CHECK

Check digit

Check digit scheme

Checking

Checking number

Digital number

Identification Number

Identification scheme

Number digits

Numbering and identification

Schemes numbering

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