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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. Table of prime factors - Wikipedia

    en.wikipedia.org/wiki/Table_of_prime_factors

    An odd number does not have the prime factor 2. The first: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23 (sequence A005408 in the OEIS). All integers are either even or odd. A square has even multiplicity for all prime factors (it is of the form a 2 for some a). The first: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144 (sequence A000290 in the OEIS).

  4. List of prime numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_prime_numbers

    2.50 Quartan primes. ... The following table lists the first 1000 primes, with 20 columns of consecutive primes in each of the 50 rows. ... 9 p − 1 ≡ 1 (mod p 2 ...

  5. Table of bases - Wikipedia

    en.wikipedia.org/wiki/Table_of_bases

    This table of bases gives the values of 0 to 1296 in bases 2 to 36, using A−Z for 10−35. "Base" (or "radix") is a term used in discussions of numeral systems which use place-value notation for representing numbers .

  6. List of Dewey Decimal classes - Wikipedia

    en.wikipedia.org/wiki/List_of_Dewey_Decimal_classes

    291 No longer used — formerly Comparative religion. 292 Classical religion (Greek and Roman religion) 293 Germanic religion. 294 Religions of Indic origin. 295 Zoroastrianism (Mazdaism, Parseeism) 296 Judaism. 297 Islam, Bábism, and Baháʼí Faith. 298 No longer used — formerly Mormonism.

  7. History of mathematical notation - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematical...

    The history of mathematical notation[ 1 ] includes the commencement, progress, and cultural diffusion of mathematical symbols and the conflict of the methods of notation confronted in a notation's move to popularity or inconspicuousness. Mathematical notation [ 2 ] comprises the symbols used to write mathematical equations and formulas.

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