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  2. 21 (number) - Wikipedia

    en.wikipedia.org/wiki/21_(number)

    As a biprime with proper divisors 1, 3 and 7, twenty-one has a prime aliquot sum of 11 within an aliquot sequence containing only one composite number (21, 11, 1, 0); it is the second composite number with an aliquot sum of 11, following 18. 21 is the first member of the second cluster of consecutive discrete semiprimes (21, 22), where the next such cluster is (33, 34, 35).

  3. 21 (drinking game) - Wikipedia

    en.wikipedia.org/wiki/21_(drinking_game)

    Prohibiting calling out a series of numbers that sum to 21 (e.g. "6, 7, 8" or "10, 11") Examples of new rules that could be instated by a player forced to call 21: Swapping two numbers around (e.g. 3 and 13 are switched) Replacing a number with a humorous phrase (e.g. replacing 5 with "skin" - causing the sequence 1, 2, 3, "foreskin")

  4. As-Easy-As - Wikipedia

    en.wikipedia.org/wiki/As-Easy-As

    As-Easy-As for DOS and As-Easy-As for Windows was a shareware 32-bit spreadsheet program developed in 1986 for MS-DOS and later for Microsoft Windows.The name is a play on the phrase "as easy as 1-2-3", [1] a reference to the dominant MS-DOS spreadsheet at that time, Lotus 1-2-3 with which it competed for a fraction of the competitor's price. [2]

  5. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    A form of unary notation called Church encoding is used to represent numbers within lambda calculus. Some email spam filters tag messages with a number of asterisks in an e-mail header such as X-Spam-Bar or X-SPAM-LEVEL. The larger the number, the more likely the email is considered spam. 10: Bijective base-10: To avoid zero: 26: Bijective base-26

  6. Worksheet - Wikipedia

    en.wikipedia.org/wiki/Worksheet

    The form comes with two worksheets, one to calculate exemptions, and another to calculate the effects of other income (second job, spouse's job). The bottom number in each worksheet is used to fill out two if the lines in the main W4 form. The main form is filed with the employer, and the worksheets are discarded or held by the employee.

  7. Missed the 2025 Times Square ball drop? Watch the highlights here

    www.aol.com/watch-years-eve-2025-live-232407209.html

    An estimated 1 million people packed Times Square to watch the New Year's Eve 2025 ball drop Tuesday night.