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  2. Natural number - Wikipedia

    en.wikipedia.org/wiki/Natural_number

    The Ishango bone (on exhibition at the Royal Belgian Institute of Natural Sciences) [8] [9] [10] is believed to have been used 20,000 years ago for natural number arithmetic.

  3. Interesting number paradox - Wikipedia

    en.wikipedia.org/wiki/Interesting_number_paradox

    The interesting number paradox is a humorous paradox which arises from the attempt to classify every natural number as either "interesting" or "uninteresting". The paradox states that every natural number is interesting. [1]

  4. Naturales quaestiones - Wikipedia

    en.wikipedia.org/wiki/Naturales_quaestiones

    Naturales quaestiones (Natural Questions) is a Latin work of natural philosophy written by Seneca around AD 65. It is not a systematic encyclopedia like the Naturalis Historia of Pliny the Elder , though with Pliny's work it represents one of the few Roman works dedicated to investigating the natural world.

  5. 7 - Wikipedia

    en.wikipedia.org/wiki/7

    7 (seven) is the natural number following 6 and preceding 8.It is the only prime number preceding a cube.. As an early prime number in the series of positive integers, the number seven has greatly symbolic associations in religion, mythology, superstition and philosophy.

  6. Ici, on brûle des sorcières… - The Huffington Post

    highline.huffingtonpost.com/articles/fr/they...

    Les hommes bourrent la bouche de la sorcière de bouts de tissu. Le moment des aveux est terminé. Le voisinage s’attroupe autour d’elle, formant un cercle sur ce monticule de détritus, près du quartier de Warakum.

  7. Almost integer - Wikipedia

    en.wikipedia.org/wiki/Almost_integer

    Ed Pegg Jr. noted that the length d equals (), which is very close to 7 (7.0000000857 ca.) [1] In recreational mathematics, an almost integer (or near-integer) is any number that is not an integer but is very close to one.

  8. Kernel (statistics) - Wikipedia

    en.wikipedia.org/wiki/Kernel_(statistics)

    In nonparametric statistics, a kernel is a weighting function used in non-parametric estimation techniques. Kernels are used in kernel density estimation to estimate random variables' density functions, or in kernel regression to estimate the conditional expectation of a random variable.

  9. Fermat polygonal number theorem - Wikipedia

    en.wikipedia.org/wiki/Fermat_polygonal_number...

    In additive number theory, the Fermat polygonal number theorem states that every positive integer is a sum of at most n n-gonal numbers.That is, every positive integer can be written as the sum of three or fewer triangular numbers, and as the sum of four or fewer square numbers, and as the sum of five or fewer pentagonal numbers, and so on.