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  2. Orders of magnitude (numbers) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(numbers)

    Biology – Blood cells in the human body: The average human body is estimated to have (2.5 ± .5) × 10 13 red blood cells. [40] [41] Mathematics – Known digits of π: As of March 2019, the number of known digits of π is 31,415,926,535,897 (the integer part of π × 10 13). [42] Biology – approximately 10 14 synapses in the human brain. [43]

  3. Kruskal's tree theorem - Wikipedia

    en.wikipedia.org/wiki/Kruskal's_tree_theorem

    The version given here is that proven by Nash-Williams; Kruskal's formulation is somewhat stronger. All trees we consider are finite. Given a tree T with a root, and given vertices v, w, call w a successor of v if the unique path from the root to w contains v, and call w an immediate successor of v if additionally the path from v to w contains no other vertex.

  4. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    Names of larger numbers, however, have a tenuous, artificial existence, rarely found outside definitions, lists, and discussions of how large numbers are named. Even well-established names like sextillion are rarely used, since in the context of science, including astronomy, where such large numbers often occur, they are nearly always written ...

  5. Chemical graph generator - Wikipedia

    en.wikipedia.org/wiki/Chemical_graph_generator

    In graph theory, the degree of a vertex is its number of connections. In a chemical graph, the maximum degree of an atom is its valence, and the maximum number of bonds a chemical element can make. For example, carbon's valence is 4. In a chemical graph, an atom is saturated if it reaches its valence.

  6. Googol - Wikipedia

    en.wikipedia.org/wiki/Googol

    The decay time for a supermassive black hole of roughly 1 galaxy-mass (10 11 solar masses) due to Hawking radiation is on the order of 10 100 years. [7] Therefore, the heat death of an expanding universe is lower-bounded to occur at least one googol years in the future. A googol is considerably smaller than a centillion. [8]

  7. Biostatistics - Wikipedia

    en.wikipedia.org/wiki/Biostatistics

    Figure A: Line graph example. The birth rate in Brazil (2010–2016); [ 9 ] Figure B: Bar chart example. The birth rate in Brazil for the December months from 2010 to 2016; Figure C: Example of Box Plot : number of glycines in the proteome of eight different organisms (A-H); Figure D: Example of a scatter plot.

  8. Inversive congruential generator - Wikipedia

    en.wikipedia.org/wiki/Inversive_congruential...

    It means that each generator is associated to a fixed IMP polynomial. Such a condition is sufficient for maximum period of each inversive congruential generator [8] and finally for maximum period of the compound generator. The construction of IMP polynomials is the most efficient approach to find parameters for inversive congruential generator ...

  9. -yllion - Wikipedia

    en.wikipedia.org/wiki/-yllion

    -yllion (pronounced / aɪ lj ən /) [1] is a proposal from Donald Knuth for the terminology and symbols of an alternate decimal superbase [clarification needed] system. In it, he adapts the familiar English terms for large numbers to provide a systematic set of names for much larger numbers.