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For years after 2009, twenty eleven, twenty fourteen, etc. are more common, even in years earlier than 2009 BC/BCE. Likewise, the years after 1009 (until 1099) are also read in the same manner (e.g. 1015 is either ten fifteen or, rarely, one thousand fifteen).
An icosahedron has twenty triangular faces. The largest number of faces a Platonic solid can have is twenty faces, which make up a regular icosahedron. [5] A dodecahedron, on the other hand, has twenty vertices, likewise the most a regular polyhedron can have. [6] This is because the icosahedron and dodecahdron are duals of each other.
The longest published word, Acetylseryltyrosylseryl iso . . . serine, referring to the coat protein of a certain strain of tobacco mosaic virus, is 1,185 letters long, and appeared in the American Chemical Society's Chemical Abstracts Service in 1964 and 1966. [20]
They can’t make “twenty” into “twenty-nine” if it already says “Three hundred twenty and 00/100.” Hyphenate all numbers under 100 that need more than one word.
Numbers in mathematical formulae are never spelled out (3 < π < 22 / 7 not three < pi < twenty-two sevenths), and "numbers as numbers" are rarely spelled out in other mathematical contexts (the first three primes are 2, 3, and 5 not the first three primes are two, three, and five; but zero-sum game and roots of unity).
The American music and lifestyle magazine Wired favoured "Naughties", which they claim was first proposed by the arts collective Foomedia in 1999. [20] However, the term "Naughty Aughties" was suggested as far back as 1975 by Cecil Adams , in his column The Straight Dope .
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 March 2025. Latin-script alphabet consisting of 26 letters English alphabet An English-language pangram written with the FF Dax Regular typeface Script type Alphabet Time period c. 16th century – present Languages English Related scripts Parent systems (Proto-writing) Egyptian hieroglyphs Proto ...
Set inclusions between the natural numbers (ℕ), the integers (ℤ), the rational numbers (ℚ), the real numbers (ℝ), and the complex numbers (ℂ). A number is a mathematical object used to count, measure, and label.