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  2. Weird number - Wikipedia

    en.wikipedia.org/wiki/Weird_number

    A property of weird numbers is that if n is weird, and p is a prime greater than the sum of divisors σ(n), then pn is also weird. [4] This leads to the definition of primitive weird numbers: weird numbers that are not a multiple of other weird numbers (sequence A002975 in the OEIS). Among the 1765 weird numbers less than one million, there are ...

  3. Wikipedia : Unusual articles/Mathematics and numbers

    en.wikipedia.org/.../Mathematics_and_numbers

    How to square the circle for real. Spaghetti sort: An algorithm for sorting rods of spaghetti. Squircle: Not quite a square, not quite a circle, definitely not a Pokémon either. Taxicab number: Never tell a Numberphile that a number is uninteresting. Tetraphobia: Sometimes found in conjunction with triskaidekaphobia (see below) in East Asian ...

  4. Unfavorable Semicircle - Wikipedia

    en.wikipedia.org/wiki/Unfavorable_Semicircle

    In March 2015, a YouTube account with the title Unfavorable Semicircle was created; the channel began uploading large numbers of videos on April 5. [2] The channel continued to post large numbers of videos all titled with the Sagittarius symbol or a random six digit number, or both, but most lacking a description. The videos often display ...

  5. 50 “Weird Facts” That You Might Not Have Known ... - AOL

    www.aol.com/80-weird-facts-world-might-020005584...

    And it's just one of many very strange but fascinating tidbits that can be found on the Weird Facts IG page. Over 1.2 million people follow the account for their daily dose of oddly interesting ...

  6. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    Numbers very close to, but below one are often expressed in "nines" (N – not to be confused with the unit newton), that is in the number of nines following the decimal separator in writing the number in question. For example, "three nines" or "3N" indicates 0.999 or 99.9%, "four nines five" or "4N5" is the expression for the number 0.99995 or ...

  7. People Spotted 30 Astonishingly Big Things And Shared Them ...

    www.aol.com/70-absolute-units-impressed-internet...

    Image credits: britishwiththeDcups “You should expect a dog to cost you at least £6,200 but, depending on the breed of the dog, their total cost could be a minimum of £18,800 over their lifetime:

  8. Surreal number - Wikipedia

    en.wikipedia.org/wiki/Surreal_number

    A visualization of the surreal number tree. In mathematics, the surreal number system is a totally ordered proper class containing not only the real numbers but also infinite and infinitesimal numbers, respectively larger or smaller in absolute value than any positive real number.

  9. “I Thought It Was Normal”: 46 Weird And Disturbing Rules ...

    www.aol.com/thought-normal-46-weird-disturbing...

    What the majority found normal, I found shallow, craven, and cynical; children were being spoon-fed rules about the universe which boiled its vast complexities down to mere binaries - good & evil ...