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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 ...
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
Thus, for every positive surreal number x there will always exist some positive real number r and some surreal number y so that x − rω y is "infinitely smaller" than x. The exponent y is the "base ω logarithm" of x , defined on the positive surreals; it can be demonstrated that log ω maps the positive surreals onto the surreals and that
Simon Elmore won the Guinness World Record for most straws in the mouth on August 6, 2009. He held 400 straws between his jaws for 10 seconds. He held 400 straws between his jaws for 10 seconds. 2.
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 ...
A small note of explanation is OK, but please do not sign it – this isn't a talk page. This is for articles or redirects that really existed on Wikipedia which have been deleted – provide proof of the deletion if you can, generally in the form of an XFD discussion page (AFD debates can be quite humorous themselves) or deletion log entry (for articles deleted before December 2004; see also ...
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 ...
The number fitting this definition later became 12407 from November 2009 until at least November 2011, then 13794 as of April 2012, until it appeared in sequence OEIS: A218631 as of 3 November 2012. Since November 2013, that number was 14228, at least until 14 April 2014. [5] In May 2021, the number was 20067.