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2. Radix - Wikipedia

   en.wikipedia.org/wiki/Radix

   In a positional numeral system, the radix (pl.: radices) or base is the number of unique digits, including the digit zero, used to represent numbers.For example, for the decimal system (the most common system in use today) the radix is ten, because it uses the ten digits from 0 through 9.

3. 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]

4. Radical symbol - Wikipedia

   en.wikipedia.org/wiki/Radical_symbol

   However, Leonhard Euler [2] believed it originated from the letter "r", the first letter of the Latin word "radix" (meaning "root"), referring to the same mathematical operation. The symbol was first seen in print without the vinculum (the horizontal "bar" over the numbers inside the radical symbol) in the year 1525 in Die Coss by Christoff ...

5. Numerals in Unicode - Wikipedia

   en.wikipedia.org/wiki/Numerals_in_Unicode

   Grouped by their numerical property as used in a text, Unicode has four values for Numeric Type. First there is the "not a number" type. Then there are decimal-radix numbers, commonly used in Western style decimals (plain 0–9), there are numbers that are not part of a decimal system such as Roman numbers, and decimal numbers in typographic context, such as encircled numbers.

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7. Radix (disambiguation) - Wikipedia

   en.wikipedia.org/wiki/Radix_(disambiguation)

   Radix point, a symbol used in mathematics to separate the integral part of the number from its fractional part; Radix sort, a computer sorting algorithm; Radix tree, a type of set data structure; DEC Radix-50, a character encoding; Radix-64, a character encoding

8. Non-integer base of numeration - Wikipedia

   en.wikipedia.org/wiki/Non-integer_base_of_numeration

   This means that the integer part of the natural logarithm of a number in base e counts the number of digits before the separating point in that number, minus one. The base e is the most economical choice of radix β > 1, [ 4 ] where the radix economy is measured as the product of the radix and the length of the string of symbols needed to ...

9. Factorial number system - Wikipedia

   en.wikipedia.org/wiki/Factorial_number_system

   The factorial number system is a mixed radix numeral system: the i-th digit from the right has base i, which means that the digit must be strictly less than i, and that (taking into account the bases of the less significant digits) its value is to be multiplied by (i − 1)!