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  2. Multiplication table - Wikipedia

    en.wikipedia.org/wiki/Multiplication_table

    The oldest known multiplication tables were used by the Babylonians about 4000 years ago. [2] However, they used a base of 60. [2] The oldest known tables using a base of 10 are the Chinese decimal multiplication table on bamboo strips dating to about 305 BC, during China's Warring States period. [2] "Table of Pythagoras" on Napier's bones [3]

  3. List of straight-chain alkanes - Wikipedia

    en.wikipedia.org/wiki/List_of_straight-chain_alkanes

    11 C 7 H 16: n-heptane: dipropyl methane; Gettysolve-C; heptyl hydride; Skellysolve C 8 18 24 C 8 H 18: n-octane: dibutyl; octyl hydride 9 35 55 C 9 H 20: n-nonane: nonyl hydride; Shellsol 140 10 75 136 C 10 H 22: n-decane: decyl hydride 11 159 345 C 11 H 24: n-undecane: hendecane 12 355 900 C 12 H 26: n-dodecane: adakane 12; bihexyl; dihexyl ...

  4. List of prime numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_prime_numbers

    The following table lists the first 1000 primes, with 20 columns of consecutive primes in each of the 50 rows. ... iterate until a prime is reached ... 11, 13 ), (11 ...

  5. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    118 chemical elements have been identified and named officially by IUPAC.A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).

  6. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    Periodic tables usually at least show the elements' symbols; many also provide supplementary information about the elements, either via colour-coding or as data in the cells. The above table shows the names and atomic numbers of the elements, and also their blocks, natural occurrences and standard atomic weights. For the short-lived elements ...

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  8. Table of prime factors - Wikipedia

    en.wikipedia.org/wiki/Table_of_prime_factors

    The tables contain the prime factorization of the natural numbers from 1 to 1000. When n is a prime number , the prime factorization is just n itself, written in bold below. The number 1 is called a unit .

  9. November 20 - Wikipedia

    en.wikipedia.org/wiki/November_20

    November 20 in recent years ... Native American activists seize control of Alcatraz Island until being ousted by the U.S. Government on June 11, ... Ukrainian table ...