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  2. Mathematical object - Wikipedia

    en.wikipedia.org/wiki/Mathematical_object

    In metaphysics, objects are often considered entities that possess properties and can stand in various relations to one another. [3] Philosophers debate whether mathematical objects have an independent existence outside of human thought ( realism ), or if their existence is dependent on mental constructs or language ( idealism and nominalism ).

  3. Portal:Mathematics - Wikipedia

    en.wikipedia.org/wiki/Portal:Mathematics

    The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter. It appears in many formulae across mathematics and physics , and some of these formulae are commonly used for defining π , to avoid relying on the definition of the length of ...

  4. 142857 - Wikipedia

    en.wikipedia.org/wiki/142857

    857 2 = 734449 142 2 = 20164 734449 − 20164 = 714285. It is the repeating part in the decimal expansion of the rational number ⁠ 1 / 7 ⁠ = 0. 142857. Thus, multiples of ⁠ 1 / 7 ⁠ are simply repeated copies of the corresponding multiples of 142857:

  5. (−2,3,7) pretzel knot - Wikipedia

    en.wikipedia.org/wiki/(%E2%88%922,3,7)_pretzel_knot

    The (−2, 3, 7) pretzel knot has 7 exceptional slopes, Dehn surgery slopes which give non-hyperbolic 3-manifolds. Among the enumerated knots, the only other hyperbolic knot with 7 or more is the figure-eight knot, which has 10. All other hyperbolic knots are conjectured to have at most 6 exceptional slopes. A pretzel (−2,3,7) pretzel knot.

  6. Today's Wordle Hint, Answer for #1309 on Saturday, January 18 ...

    www.aol.com/todays-wordle-hint-answer-1309...

    Today's Wordle Answer for #1309 on Saturday, January 18, 2025. Today's Wordle answer on Saturday, January 18, 2025, is SILLY. How'd you do? Up Next:

  7. The Best Warren Buffett Stocks to Buy With $1,000 Right Now - AOL

    www.aol.com/best-warren-buffett-stocks-buy...

    Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B) owns a stock portfolio worth roughly $300 billion with about four dozen individual stocks in it. Legendary stock-picker Warren Buffett himself hand ...

  8. Britain wants to get close to Trump. Will Elon Musk stand in ...

    www.aol.com/britain-wants-close-trump-elon...

    In the early hours of New Year’s Day, Elon Musk lobbed a series of angry posts and allegations towards British Prime Minister Keir Starmer – engulfing his government in a very public fight ...

  9. Divisibility rule - Wikipedia

    en.wikipedia.org/wiki/Divisibility_rule

    Take each digit of the number (371) in reverse order (173), multiplying them successively by the digits 1, 3, 2, 6, 4, 5, repeating with this sequence of multipliers as long as necessary (1, 3, 2, 6, 4, 5, 1, 3, 2, 6, 4, 5, ...), and adding the products (1×1 + 7×3 + 3×2 = 1 + 21 + 6 = 28). The original number is divisible by 7 if and only if ...