check number algorithm

См. также в других словарях:

• Check verification service — A check verification service provides businesses or individuals with either the ability to check the validity of the actual check or draft being presented, or the ability to verify the history of the account holder, or both.[1][2] it often… …   Wikipedia

• Check digit — A check digit is a form of redundancy check used for error detection, the decimal equivalent of a binary checksum. It consists of a single digit computed from the other digits in the message. With a check digit, one can detect simple errors in… …   Wikipedia

• number theory — Math. the study of integers and their relation to one another. Also called theory of numbers. [1910 15] * * * Branch of mathematics concerned with properties of and relations among integers. It is a popular subject among amateur mathematicians… …   Universalium

• Tax File Number — (TFN) is an 8 or 9 digit number issued by the Australian Taxation Office (ATO) to each taxpayer (individual, company, superannuation fund, partnership or trust) to identify their Australian tax dealings. In the past, individuals received a 9… …   Wikipedia

• VAT identification number — A value added tax identification number or VAT identification number (VATIN) is an identifier used in many countries, including the countries of the European Union, for value added tax purposes. In the EU, a VAT identification number can be… …   Wikipedia

• Luhn algorithm — The Luhn algorithm or Luhn formula, also known as the modulus 10 or mod 10 algorithm, is a simple checksum formula used to validate a variety of identification numbers, such as credit card numbers, IMEI numbers, National Provider Identifier… …   Wikipedia

• National identification number — A national identification number, national identity number, or national insurance number is used by the governments of many countries as a means of tracking their citizens, permanent residents, and temporary residents for the purposes of work,… …   Wikipedia

• Verhoeff algorithm — The Verhoeff algorithm, a checksum formula for error detection first published in 1969, was developed by Dutch mathematician Jacobus Verhoeff (born 1927). Like the more widely known Luhn algorithm, it works with strings of decimal digits of any… …   Wikipedia

• Luhn mod N algorithm — The Luhn mod N algorithm is an extension to the Luhn algorithm (also known as mod 10 algorithm) that allows it to work with sequences of non numeric characters. This can be useful when a check digit is required to validate an identification… …   Wikipedia

• Cyclic redundancy check — A cyclic redundancy check (CRC) is an error detecting code designed to detect accidental changes to raw computer data, and is commonly used in digital networks and storage devices such as hard disk drives. Blocks of data entering these systems… …   Wikipedia

• Prime number — Prime redirects here. For other uses, see Prime (disambiguation). A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is… …   Wikipedia