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  2. Division (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Division_(mathematics)

    In terms of partition, 20 / 5 means the size of each of 5 parts into which a set of size 20 is divided. For example, 20 apples divide into five groups of four apples, meaning that "twenty divided by five is equal to four". This is denoted as 20 / 5 = 4, or ⁠ 20 / 5 ⁠ = 4. [2] In the example, 20 is the dividend, 5 is the divisor, and 4 is ...

  3. Senary - Wikipedia

    en.wikipedia.org/wiki/Senary

    Download as PDF; Printable version; ... which is proven by the fact that every even perfect number is of the form 2 p – 1 ... Fraction ⁠ 1 / 2 ⁠ 2: 0.5: 0.3: 2

  4. Hexadecimal - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal

    Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.

  5. Angle - Wikipedia

    en.wikipedia.org/wiki/Angle

    It is denoted by a single prime ( ′ ). For example, 3° 30′ is equal to 3 × 60 + 30 = 210 minutes or 3 + ⁠ 30 / 60 ⁠ = 3.5 degrees. A mixed format with decimal fractions is sometimes used, e.g., 3° 5.72′ = 3 + ⁠ 5.72 / 60 ⁠ degrees. A nautical mile was historically defined as an arcminute along a great circle of the Earth.

  6. Vigesimal - Wikipedia

    en.wikipedia.org/wiki/Vigesimal

    In a vigesimal place system, twenty individual numerals (or digit symbols) are used, ten more than in the decimal system. One modern method of finding the extra needed symbols is to write ten as the letter A, or A 20, where the 20 means base 20, to write nineteen as J 20, and the numbers between with the corresponding letters of the alphabet.

  7. History of the Jews in Russia - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Jews_in_Russia

    [172] [173] 96.5% of the enlarged Russian Jewish population in Israel either belong to Judaism or are non-religious, while 3.5% (35,000) belong to other religions (mostly Christianity) and about 10,000 identifying as Messianic Jews separate from Jewish Christians. [174] The Total Fertility Rate for FSU-born olim in Israel is given in the table ...

  8. Demographics of Metro Vancouver - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_Metro...

    The demographics of Metro Vancouver indicate a multicultural and multiracial region. Metro Vancouver is a metropolitan area, with its major urban centre being Vancouver, British Columbia, Canada.

  9. Shanghai - Wikipedia

    en.wikipedia.org/wiki/Shanghai

    In 2023, Shanghai's tourism industry generated an added value of CN¥177.12 billion (US$24.53 billion), marking a remarkable 98.5% increase compared to the previous year. The city welcomed a total of 3.64 million tourists, a 4.8-fold growth compared to 2022. The number of foreign tourists reached 2.41 million with a 5.2-fold increase. [155]