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  2. Credit card numbers - Wikipedia

    en.wikipedia.org/?title=Credit_card_numbers&...

    Retrieved from "https://en.wikipedia.org/w/index.php?title=Credit_card_numbers&oldid=721317719"This page was last edited on 21 May 2016, at 01:02

  3. Spokane Teachers Credit Union - Wikipedia

    en.wikipedia.org/wiki/Spokane_Teachers_Credit_Union

    The credit union operated out of a room on the school's second floor, with a shoebox for cash deposits and a bell with a rope that hung out the window, so that members could ring the bell when they needed to be let inside. The credit union ended the first year with 120 members and $4,000 in assets.

  4. Payment Card Industry Data Security Standard - Wikipedia

    en.wikipedia.org/wiki/Payment_Card_Industry_Data...

    The Payment Card Industry Data Security Standard ( PCI DSS) is an information security standard used to handle credit cards from major card brands. The standard is administered by the Payment Card Industry Security Standards Council, and its use is mandated by the card brands. It was created to better control cardholder data and reduce credit ...

  5. Superperfect number - Wikipedia

    en.wikipedia.org/wiki/Superperfect_number

    Superperfect number. In number theory, a superperfect number is a positive integer n that satisfies. where σ is the divisor summatory function. Superperfect numbers are not a generalization of perfect numbers but have a common generalization. The term was coined by D. Suryanarayana (1969).

  6. Capital One - Wikipedia

    en.wikipedia.org/wiki/Capital_One

    Capital One Financial Corporation is an American bank holding company specializing in credit cards, auto loans, banking, and savings accounts, headquartered in Tysons, Virginia with operations primarily in the United States. [2] It is the 12th largest bank in the United States by total assets as of 2022, the third largest issuer of Visa and ...

  7. Decoupled debit card - Wikipedia

    en.wikipedia.org/wiki/Decoupled_debit_card

    A decoupled debit card is a debit card in the US that is not issued by and not tied to any particular retail financial institution, such as a bank or credit union.This is based on the ability in the US ACH Network payment system to make an electronic payment from any bank or credit union without needing to use a card issued by the bank or credit union.

  8. Victoria's Secret - Wikipedia

    en.wikipedia.org/wiki/Victoria's_Secret

    Victoria's Secret is an American lingerie, clothing, and beauty retailer. Founded in 1977 by Roy and Gaye Raymond, [6] [7] the company's five lingerie stores were sold to Les Wexner in 1982. [8]

  9. Supernatural number - Wikipedia

    en.wikipedia.org/wiki/Supernatural_number

    In mathematics, the supernatural numbers, sometimes called generalized natural numbers or Steinitz numbers, are a generalization of the natural numbers. They were used by Ernst Steinitz [1] : 249–251 in 1910 as a part of his work on field theory . A supernatural number is a formal product : where runs over all prime numbers, and each is zero ...