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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 ...
However the titles of bonds issued by governments and other issuers use the fractional form, e.g. "3 + 1 ⁄ 2 % Unsecured Loan Stock 2032 Series 2". (When interest rates are very low, the number 0 is included if the interest rate is less than 1%, e.g. "0 + 3 ⁄ 4 % Treasury Stock", not "3 ⁄ 4 % Treasury Stock".) It is also widely accepted ...
Greek numerals, also known as Ionic, Ionian, Milesian, or Alexandrian numerals, is a system of writing numbers using the letters of the Greek alphabet.In modern Greece, they are still used for ordinal numbers and in contexts similar to those in which Roman numerals are still used in the Western world.
It is useful because the number can be copied and pasted into calculators (including a web browser's omnibox) and parsed by the computer as-is (i.e., without the user manually purging the extraneous characters). For example, Wikipedia content can display numbers this way, as in the following examples: 149 597 870 700 metres is 1 astronomical unit
71 is the 20th prime number. Because both rearrangements of its digits (17 and 71) are prime numbers, 71 is an emirp and more generally a permutable prime. [1] [2] 71 is a centered heptagonal number. [3] It is a Pillai prime, since ! + is divisible by 71, but 71 is not one more than a multiple of 9. [4]
The Septuagint (/ ˈ s ɛ p tj u ə dʒ ɪ n t / SEP-tew-ə-jint), [1] sometimes referred to as the Greek Old Testament or The Translation of the Seventy (Koinē Greek: Ἡ μετάφρασις τῶν Ἑβδομήκοντα, romanized: Hē metáphrasis tôn Hebdomḗkonta), and abbreviated as LXX, [2] is the earliest extant Greek translation of the Hebrew Bible from the original Biblical Hebrew.
When used as numbers, the letters are used in combination with the upper keraia numeral sign ʹ to denote numbers from 1 to 900 and in combination with the lower keraia ͵ to denote multiples of 1000. (For a full table of the signs and their values, see Greek numerals.)
In some countries, the number 20 is used as an index in measuring visual acuity. 20/20 indicates normal vision at 20 feet, although it is commonly used to mean "perfect vision" in countries using the Imperial system. (The metric equivalent is 6/6.)