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  2. Roman numerals - Wikipedia

    en.wikipedia.org/wiki/Roman_numerals

    The Roman numerals, in particular, are directly derived from the Etruscan number symbols: 𐌠 , 𐌡 , 𐌢 , 𐌣 , and 𐌟 for 1, 5, 10, 50, and 100 (they had more symbols for larger numbers, but it is unknown which symbol represents which number). As in the basic Roman system, the Etruscans wrote the symbols that added to the desired ...

  3. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    [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] Some systems have two bases, a smaller (subbase) and a larger (base); an example is Roman numerals, which are organized by fives (V=5, L=50, D=500, the subbase) and tens (X ...

  4. List of numeral system topics - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_system_topics

    Thai numerals – Notation for expressing numbers in Thai; Japanese numeralsNumber words used in the Japanese language; Korean numeralsNumbers in traditional Korean writing; Maya numerals – System used by the ancient Mayan civilization to represent numbers and dates; Moksha numerals; Prehistoric numerals; Roman numeralsNumbers ...

  5. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    The Roman numerals used correspond to the last digit of today's naming convention (e.g. the group 4 elements were group IVB, and the group 14 elements were group IVA). In Europe, the lettering was similar, except that "A" was used for groups 1 through 7, and "B" was used for groups 11 through 17. In addition, groups 8, 9 and 10 used to be ...

  6. History of ancient numeral systems - Wikipedia

    en.wikipedia.org/wiki/History_of_ancient_numeral...

    In the Etruscan system, the symbol 1 was a single vertical mark, the symbol 10 was two perpendicularly crossed tally marks, and the symbol 100 was three crossed tally marks (similar in form to a modern asterisk *); while 5 (an inverted V shape) and 50 (an inverted V split by a single vertical mark) were perhaps derived from the lower halves of ...

  7. 5 hidden messages on the dollar bill

    www.aol.com/lifestyle/2016-07-28-5-hidden...

    The Number 13 On the back of the bill the eagle is holding 13 arrows and an olive branch with 13 leaves and 13 olives. The eagle's shield has 13 vertical stripes and 13 horizontal stripes.

  8. Alphabetic numeral system - Wikipedia

    en.wikipedia.org/wiki/Alphabetic_numeral_system

    An alphabetic numeral system employs the letters of a script in the specific order of the alphabet in order to express numerals. In Greek, letters are assigned to respective numbers in the following sets: 1 through 9, 10 through 90, 100 through 900, and so on. Decimal places are represented by a single symbol.

  9. Template:Sort Roman - Wikipedia

    en.wikipedia.org/wiki/Template:Sort_Roman

    } can be used in sortable tables to sort Roman numerals up to 38 correctly in numerical order. Without the template, IX, XIX, XXIX sort wrong. The template can be used on all Roman numerals up to 38 but only has to be used for IX, XIX, XXIX (9, 19, 29). Change IX to {{Sort Roman|IX}} Change XIX to {{Sort Roman|XIX}}