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  2. Numeral prefix - Wikipedia

    en.wikipedia.org/wiki/Numeral_prefix

    Numerical prefixes are not restricted to denoting integers. Some of the SI prefixes denote negative powers of 10, i.e. division by a multiple of 10 rather than multiplication by it. Several common-use numerical prefixes denote vulgar fractions. Words containing non-technical numerical prefixes are usually not hyphenated.

  3. IUPAC numerical multiplier - Wikipedia

    en.wikipedia.org/wiki/IUPAC_numerical_multiplier

    The numbers 200-900 would be confused easily with 22 to 29 if they were used in chemistry. khīlioi = 1000, diskhīlioi = 2000, triskhīlioi = 3000, etc. 13 to 19 are formed by starting with the Greek word for the number of ones, followed by και (the Greek word for 'and'), followed by δέκα (the Greek word for 'ten').

  4. Deci- - Wikipedia

    en.wikipedia.org/wiki/Deci-

    French 1 decime coin, equal to ⁠ 1 / 10 ⁠ of a franc. First Republic.. Deci-(symbol d) is a decimal unit prefix in the metric system denoting a factor of one tenth.Proposed in 1793, [1] and adopted in 1795, the prefix comes from the Latin decimus, meaning "tenth".

  5. Names of small numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_small_numbers

    The following table lists the names of small numbers used in the long and short scales, ... prefix SI symbol 10 0: 1: One: 101: 100×10 −3: One Tenth: deci-d ...

  6. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    In this notation, powers of ten are expressed as 10 with a numeric superscript, e.g. "The X-ray emission of the radio galaxy is 1.3 × 10 45 joules." When a number such as 10 45 needs to be referred to in words, it is simply read out as "ten to the forty-fifth" or "ten to the forty-five". This is easier to say and less ambiguous than ...

  7. Power of 10 - Wikipedia

    en.wikipedia.org/wiki/Power_of_10

    Visualisation of powers of 10 from one to 1 trillion. In mathematics, a power of 10 is any of the integer powers of the number ten; in other words, ten multiplied by itself a certain number of times (when the power is a positive integer). By definition, the number one is a power (the zeroth power) of ten. The first few non-negative powers of ...

  8. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    The Natural Area Code, this is the smallest base such that all of ⁠ 1 / 2 ⁠ to ⁠ 1 / 6 ⁠ terminate, a number n is a regular number if and only if ⁠ 1 / n ⁠ terminates in base 30. 32: Duotrigesimal: Found in the Ngiti language. 33: Use of letters (except I, O, Q) with digits in vehicle registration plates of Hong Kong. 34

  9. Unit prefix - Wikipedia

    en.wikipedia.org/wiki/Unit_prefix

    The prefix geop and term "geopbyte" have been used in the information technology industry to refer to 10 30 bytes, following "brontobyte". [14] The ascending prefixes peta (1000 5) and exa (1000 6) are based on the Greek-derived numeric prefixes "penta" (5) and "hexa" (6).