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So too are the thousands, with the number of thousands followed by the word "thousand". The number one thousand may be written 1 000 or 1000 or 1,000; larger numbers are written for example 10 000 or 10,000 for ease of reading. European languages that use the comma as a decimal separator may correspondingly use the period as a thousands separator.
The unary numeral system is the simplest numeral system to represent natural numbers: [1] to represent a number N, a symbol representing 1 is repeated N times. [2]In the unary system, the number 0 (zero) is represented by the empty string, that is, the absence of a symbol.
1157 = smallest number that can be written as n^2+1 without any prime factors that can be written as a^2+1. [145] 1158 = number of points on surface of octahedron with edge length 17 [146] 1159 = member of the Mian–Chowla sequence, [18] a centered octahedral number [147] 1160 = octagonal number [148] 1161 = sum of the first twenty-six primes
Unless specified by context, numbers without subscript are considered to be decimal. By using a dot to divide the digits into two groups, one can also write fractions in the positional system. For example, the base 2 numeral 10.11 denotes 1×2 1 + 0×2 0 + 1×2 −1 + 1×2 −2 = 2.75. In general, numbers in the base b system are of the form:
Such a number is algebraic and can be expressed as the sum of a rational number and the square root of a rational number. Constructible number: A number representing a length that can be constructed using a compass and straightedge. Constructible numbers form a subfield of the field of algebraic numbers, and include the quadratic surds.
[1] [2] In the Indian 2, 2, 3 convention of digit grouping, it is written as 1,00,000. [3] For example, in India, 150,000 rupees becomes 1.5 lakh rupees, written as ₹ 1,50,000 or INR 1,50,000. It is widely used both in official and other contexts in Afghanistan , Bangladesh , Bhutan , India , Myanmar , Nepal , Pakistan , and Sri Lanka .
Numbers: The Universal Language (French: L'empire des nombres, lit. 'The Empire of Numbers') is a 1996 illustrated monograph on numbers and their history.Written by the French historian of science Denis Guedj, and published in pocket format by Éditions Gallimard as the 300th volume in their "Découvertes" collection [1] (known as "Abrams Discoveries" in the United States, and "New Horizons ...
The Indian numbering system is used in Indian English and the Indian subcontinent to express large numbers. Commonly used quantities include lakh (one hundred thousand) and crore (ten million) – written as 1,00,000 and 1,00,00,000 respectively in some locales. [1]