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  2. Roman numerals - Wikipedia

    en.wikipedia.org/wiki/Roman_numerals

    The use of S (as in VIIS to indicate 7 1 ⁄ 2) is attested in some ancient inscriptions [45] and also in the now rare apothecaries' system (usually in the form SS): [44] but while Roman numerals for whole numbers are essentially decimal, S does not correspond to 5 ⁄ 10, as one might expect, but 6 ⁄ 12.

  3. Number Forms - Wikipedia

    en.wikipedia.org/wiki/Number_Forms

    Roman Numeral One 2160 8544 Ⅱ II: 2 Roman Numeral Two 2161 8545 Ⅲ III: 3 Roman Numeral Three 2162 8546 Ⅳ IV: 4 Roman Numeral Four 2163 8547 Ⅴ V: 5 Roman Numeral Five 2164 8548 Ⅵ VI: 6 Roman Numeral Six 2165 8549 Ⅶ VII: 7 Roman Numeral Seven 2166 8550 Ⅷ VIII: 8 Roman Numeral Eight 2167 8551 Ⅸ IX: 9 Roman Numeral Nine 2168 8552 ...

  4. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    "A base is a natural number B whose powers (B multiplied by itself some number of times) are specially designated within a numerical system." [1]: 38 The term is not equivalent to radix, as it applies to all numerical notation systems (not just positional ones with a radix) and most systems of spoken numbers. [1]

  5. Roman numeral analysis - Wikipedia

    en.wikipedia.org/wiki/Roman_numeral_analysis

    The system came about initially from the work and writings of Rameau's fundamental bass. The earliest usage of Roman numerals may be found in the first volume of Johann Kirnberger's Die Kunst des reinen Satzes in 1774. [3] Soon after, Abbé Georg Joseph Vogler occasionally employed Roman numerals in his Grunde der Kuhrpfälzischen Tonschule in ...

  6. Positional notation - Wikipedia

    en.wikipedia.org/wiki/Positional_notation

    If we use the entire collection of our alphanumerics we could ultimately serve a base-62 numeral system, but we remove two digits, uppercase "I" and uppercase "O", to reduce confusion with digits "1" and "0". [15] We are left with a base-60, or sexagesimal numeral system utilizing 60 of the 62 standard alphanumerics. (But see Sexagesimal system ...

  7. Numeral system - Wikipedia

    en.wikipedia.org/wiki/Numeral_system

    For example, "11" represents the number eleven in the decimal or base-10 numeral system (today, the most common system globally), the number three in the binary or base-2 numeral system (used in modern computers), and the number two in the unary numeral system (used in tallying scores). The number the numeral represents is called its value.

  8. Sign-value notation - Wikipedia

    en.wikipedia.org/wiki/Sign-value_notation

    In Roman numerals, for example, X means ten and L means fifty, so LXXX means eighty (50 + 10 + 10 + 10). Although signs may be written in a conventional order the value of each sign does not depend on its place in the sequence, and changing the order does not affect the total value of the sequence in an additive system.

  9. List of numeral system topics - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_system_topics

    Pentadic numerals – Runic notation for presenting numbers; Senary numeral system (base 6) Septenary numeral system (base 7) Octal numeral system (base 8) Nonary (novenary) numeral system (base 9) Decimal (denary) numeral system (base 10) Bi-quinary coded decimal – Numeral encoding scheme; Negative base numeral system (base −10) Duodecimal ...