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  2. 27 (number) - Wikipedia

    en.wikipedia.org/wiki/27_(number)

    Twenty-seven is the cube of 3, or the 2nd tetration of 3: 2 3 = 3 3 = 3 × 3 × 3. It is divisible by the number of prime numbers below it ().. The first non-trivial decagonal number is 27.

  3. Numeral prefix - Wikipedia

    en.wikipedia.org/wiki/Numeral_prefix

    The same suffix may be used with more than one category of number, as for example the orginary numbers secondary and tertiary and the distributive numbers binary and ternary. For the hundreds, there are competing forms: Those in -gent- , from the original Latin, and those in -cent- , derived from centi- , etc. plus the prefixes for 1 through 9 .

  4. English numerals - Wikipedia

    en.wikipedia.org/wiki/English_numerals

    3.1416 is "three point one four one six" 99.3 is "ninety-nine point three"; or "ninety-nine and three tenths" (U.S., occasionally). In English the decimal point was originally printed in the center of the line (0·002), but with the advent of the typewriter it was placed at the bottom of the line, so that a single key could be used as a full ...

  5. Triangular number - Wikipedia

    en.wikipedia.org/wiki/Triangular_number

    The final digit of a triangular number is 0, 1, 3, 5, 6, or 8, and thus such numbers never end in 2, 4, 7, or 9. A final 3 must be preceded by a 0 or 5; a final 8 must be preceded by a 2 or 7. In base 10, the digital root of a nonzero triangular number is always 1, 3, 6, or 9. Hence, every triangular number is either divisible by three or has a ...

  6. Non-numerical words for quantities - Wikipedia

    en.wikipedia.org/wiki/Non-numerical_words_for...

    Presumably from the practice, in counting sheep or large herds of cattle, of counting orally from one to twenty, and making a score or notch on a stick, before proceeding to count the next twenty. [3] [4] A distance of twenty yards in ancient archery and gunnery. [5] Threescore: 60 Three score (3x20) Large: 1,000 Slang for one thousand Myriad ...

  7. 28 (number) - Wikipedia

    en.wikipedia.org/wiki/28_(number)

    Twenty-eight is: An abbreviation for such years as 1928 and 2028. The number of Hebrew letters in Genesis 1:1, the first verse of the Bible. The number of wheels on a Lockheed C-5 Galaxy. In the code for international direct dial phone calls, +28 is unassigned. 028 is the ISO 3166-1 numeric three-digit country code for Antigua and Barbuda.

  8. Number Pieces - Wikipedia

    en.wikipedia.org/wiki/Number_Pieces

    This piece may be performed with Twenty-Eight (Fifty-Four), Twenty-Nine (Fifty-Five), or both (Eighty-Three). All time brackets contain a single sound. The first violin starts the videoclock. Twenty-Eight: 3 flutes, 1 alto flute, 4 clarinets, 3 oboes, 1 English horn, 3 bassoons, 1 contrabassoon, 4 trumpets, 4 horns, 2 trombones, 1 bass trombone ...

  9. Latin numerals - Wikipedia

    en.wikipedia.org/wiki/Latin_Numerals

    The accusative forms dŭōs m., dŭās f., the genitive dŭom, classical dŭōrum m./n., dŭārum f., and the dative/ablative dŭōbus m./n., dŭābus f., are original Latin formations replicating nominal declension patterns; at times, duo stands in for other case forms, especially when combined with invariant numerals, e. g. duo et vīgintī ...