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1 square number
n. math. квадрат
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Square pyramidal number — In mathematics, a pyramid number, or square pyramidal number, is a figurate number that represents a pyramid with a base and four sides. These numbers can be expressed in a formula as:sum {k=1}^nk^2={n(n + 1)(2n + 1) over 6}={2n^3 + 3n^2 + n over … Wikipedia
Square triangular number — A square triangular number (or triangular square number) is a number which is both a triangular number and a perfect square. There are an infinite number of triangular squares, given by the formula: N k = {1 over 32} left( left( 1 + sqrt{2}… … Wikipedia
Square — Square, v. t. [imp. & p. p. {Squared} (skw[^a]rd); p. pr. & vb. n. {Squaring}.] [Cf. OF. escarrer, esquarrer. See {Square}, n.] 1. To form with four equal sides and four right angles. Spenser. [1913 Webster] 2. To form with right angles and… … The Collaborative International Dictionary of English
Square root of 2 — The square root of 2, also known as Pythagoras constant, often denoted by:sqrt{2} or √2but can also be written as:2^{1/2},,is the positive real number that, when multiplied by itself, gives the number 2. Its numerical value approximated to 65… … Wikipedia
Square (algebra) — In algebra, the square of a number is that number multiplied by itself. To square a quantity is to multiply it by itself.Its notation is a superscripted 2 ; a number x squared is written as x ². Thus: If x is a positive real number, the value of… … Wikipedia
Square-free integer — In mathematics, a square free, or quadratfrei, integer is one divisible by no perfect square, except 1. For example, 10 is square free but 18 is not, as it is divisible by 9 = 32. The smallest square free numbers are :1, 2, 3, 5, 6, 7, 10, 11, 13 … Wikipedia
square — [[t]skwe͟ə(r)[/t]] ♦♦ squares, squaring, squared 1) N COUNT A square is a shape with four sides that are all the same length and four corners that are all right angles. Serve the cake warm or at room temperature, cut in squares... There was a… … English dictionary
Square One Television — Infobox television show name = Square One caption = The Square One TV Logo format = Educational runtime = 30 minutes creator= starring = Reg E. Cathey Beverly Mickins Arthur Howard Larry Cedar Luisa Leschin Cynthia Darlow Cristobal Franco Beverly … Wikipedia
Square number — Square Square (skw[^a]r), a. 1. (Geom.) Having four equal sides and four right angles; as, a square figure. [1913 Webster] 2. Forming a right angle; as, a square corner. [1913 Webster] 3. Having a shape broad for the height, with rectilineal and… … The Collaborative International Dictionary of English
Square root of a number — Square Square (skw[^a]r), a. 1. (Geom.) Having four equal sides and four right angles; as, a square figure. [1913 Webster] 2. Forming a right angle; as, a square corner. [1913 Webster] 3. Having a shape broad for the height, with rectilineal and… … The Collaborative International Dictionary of English
Square — (skw[^a]r), a. 1. (Geom.) Having four equal sides and four right angles; as, a square figure. [1913 Webster] 2. Forming a right angle; as, a square corner. [1913 Webster] 3. Having a shape broad for the height, with rectilineal and angular rather … The Collaborative International Dictionary of English