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In photography, Roman numerals (with zero) are used to denote varying levels of brightness when using the Zone System . In seismology, Roman numerals are used to designate degrees of the Mercalli intensity scale of earthquakes. Example of postage stamp from Ireland (Éire) franked using Roman numeral for the month.
119 is a highly cototient number. [2] 119 is one of five numbers to hold a sum-of-divisors of 144 = 12 2 (the others are 66, 70, 94, and 115). [3] 119 is the order of the largest cyclic subgroups of the monster group. [4] 119 is the smallest composite number that is 1 less than a factorial (120 is 5!). [5] 119 is a semiprime, and the fourth in ...
"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]
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
Nero, Sestertius with countermark "X" of Legio X Gemina. Obv: Laureate bust right. Rev: Nero riding horse right, holding spear, DECVRSIO in exergue; S C across fields. This is a list of Roman legions, including key facts about each legion, primarily focusing on the Principate (early Empire, 27 BC – 284 AD) legions, for which there exists substantial literary, epigraphic and archaeological ...
66 is: the 3rd discrete tri-prime; or also termed sphenic number ., [ 1 ] and the 3rd of the form (2.3.r). with an aliquot sum of 78 ; itself a sphenic number , within an aliquot sequence of ten composite numbers (66, 78 , 90 , 144 , 259 , 45 , 33 , 15 , 9 , 4 , 3 , 1 ,0) to the Prime in the 3 -aliquot tree.
In music theory, Roman numeral analysis is a type of harmonic analysis in which chords are represented by Roman numerals, which encode the chord's degree and harmonic function within a given musical key . Specific notation conventions vary: some theorists use uppercase numerals (e.g. I, IV, V) to represent major chords, and lowercase numerals ...
The Major Arcana are the named cards in a cartomantic tarot pack. There are usually 22 such cards in a standard 78-card pack, typically numbered from 0 to 21 (or 1 to 21, with the Fool being left unnumbered). Although the cards correspond to the trump cards of a pack used for playing tarot card game, [ 1] the term 'Major Arcana' is rarely used ...