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  2. Factorial - Wikipedia

    en.wikipedia.org/wiki/Factorial

    [39] [40] The factorial number system is a mixed radix notation for numbers in which the place values of each digit are factorials. [41] Factorials are used extensively in probability theory, for instance in the Poisson distribution [42] and in the probabilities of random permutations. [43]

  3. Triangular number - Wikipedia

    en.wikipedia.org/wiki/Triangular_number

    The final digit of a triangular number is 0, 1, 3, 5, 6, or 8, and thus such numbers never end in 2, 4, 7, or 9. A final 3 must be preceded by a 0 or 5; a final 8 must be preceded by a 2 or 7. In base 10, the digital root of a nonzero triangular number is always 1, 3, 6, or 9. Hence, every triangular number is either divisible by three or has a ...

  4. Sachin Tendulkar - Wikipedia

    en.wikipedia.org/wiki/Sachin_Tendulkar

    He is the 16th player and the first Indian to score 50,000 runs in all forms of domestic and international recognised cricket (First-class, List A, and Twenty20). He achieved this feat on 5 October 2013, during a Champions League Twenty20 match for his IPL team Mumbai Indians against Trinidad and Tobago. [371] [372] [373]

  5. Python (programming language) - Wikipedia

    en.wikipedia.org/wiki/Python_(programming_language)

    An immutable sequence of numbers commonly used for looping a specific number of times in for loops [120] range (− 1, 10) range (10, − 5, − 2) set: mutable Unordered set, contains no duplicates; can contain mixed types, if hashable {4.0, 'string', True} set str: immutable A character string: sequence of Unicode codepoints 'Wikipedia ...

  6. Simplex algorithm - Wikipedia

    en.wikipedia.org/wiki/Simplex_algorithm

    Columns 2, 3, and 4 can be selected as pivot columns, for this example column 4 is selected. The values of z resulting from the choice of rows 2 and 3 as pivot rows are 10/1 = 10 and 15/3 = 5 respectively. Of these the minimum is 5, so row 3 must be the pivot row. Performing the pivot produces

  7. Density - Wikipedia

    en.wikipedia.org/wiki/Density

    The compressibility for a typical liquid or solid is 10 −6 bar −1 (1 bar = 0.1 MPa) and a typical thermal expansivity is 105 K −1. This roughly translates into needing around ten thousand times atmospheric pressure to reduce the volume of a substance by one percent.

  8. Gross world product - Wikipedia

    en.wikipedia.org/wiki/Gross_world_product

    Because imports and exports balance exactly when considering the whole world, this also equals the total global gross domestic product (GDP). [ nb 1 ] According to the World Bank , the 2013 nominal GWP was approximately 75.59 trillion United States dollars . [ 2 ]

  9. Denmark - Wikipedia

    en.wikipedia.org/wiki/Denmark

    Denmark holds a Forest Landscape Integrity Index mean score of 0.5/10, ranking it 171st globally out of 172 countries—behind only San Marino. [66] [further explanation needed] Roe deer occupy the countryside in growing numbers, and large-antlered red deer can be found in the sparse woodlands of Jutland.