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  2. Payment card number - Wikipedia

    en.wikipedia.org/wiki/Payment_card_number

    [2]: 33 [3] The remaining numbers, except the last digit, are the individual account identification number. The last digit is the Luhn check digit. The last digit is the Luhn check digit. IINs and PANs have a certain level of internal structure and share a common numbering scheme set by ISO/IEC 7812.

  3. PaysafeCard - Wikipedia

    en.wikipedia.org/wiki/Paysafecard

    A paysafecard voucher is a 16-digit code sold in stores and online. Sales outlets print the voucher as a receipt. In the respective countries, paysafecard is available in denominations ranging from 10 to 100 euros , United States dollars , pounds sterling , and Australian dollars , and approximately equivalent sums in other currencies, e. g ...

  4. Steam (service) - Wikipedia

    en.wikipedia.org/wiki/Steam_(service)

    Steam is a digital distribution service and storefront developed by Valve.It was launched as a software client in September 2003 to provide game updates automatically for Valve's games and expanded to distributing third-party titles in late 2005.

  5. What do the numbers on your credit card mean? - AOL

    www.aol.com/finance/numbers-credit-card-mean...

    Credit card numbers are either 15 or 16 digits, with each digit having its own meaning and purpose. Keeping your credit card number safe can help prevent fraudulent purchases and the stress they ...

  6. Whyte notation - Wikipedia

    en.wikipedia.org/wiki/Whyte_notation

    The Whyte notation is a classification method for steam locomotives, and some internal combustion locomotives and electric locomotives, by wheel arrangement. It was devised by Frederick Methvan Whyte , [ 2 ] and came into use in the early twentieth century following a December 1900 editorial in American Engineer and Railroad Journal .

  7. Universally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Universally_unique_identifier

    2 octets / 16 bits reserved 0x06: 2 octets / 16 bits These octets are reserved for future use. family 0x08: 1 octet / 8 bits This octet is an address family. node 0x09: 7 octets / 56 bits These octets are a host ID in the form allowed by the specified address family.

  8. Email Support-AOL Help

    help.aol.com/email-support

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  9. UIC identification marking for tractive stock - Wikipedia

    en.wikipedia.org/wiki/UIC_identification_marking...

    The check digit is calculated from digits 1–11 using the Luhn algorithm. It is derived from the sum of the numbers that arise when the digits are alternately multiplied by 2 and 1; the difference of this sum from the next multiple of ten produces the check digit [4] (for examples of this see wagon numbers).