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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]
[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 .
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.
1566 = number k such that k 64 + 1 is prime; 1567 = number of partitions of 24 with at least one distinct part [200] 1568 = Achilles number [343] 1569 = 2 × 28 2 + 1 = number of different 2 × 2 determinants with integer entries from 0 to 28 [199] 1570 = 2 × 28 2 + 2 = number of points on surface of tetrahedron with edgelength 28 [141] 1571 ...
The digits are natural numbers between 0 and b − 1, inclusive. If a text (such as this one) discusses multiple bases, and if ambiguity exists, the base (itself represented in base 10) is added in subscript to the right of the number, like this: number base. Unless specified by context, numbers without subscript are considered to be decimal.
The naming procedure for large numbers is based on taking the number n occurring in 10 3n+3 (short scale) or 10 6n (long scale) and concatenating Latin roots for its units, tens, and hundreds place, together with the suffix -illion. In this way, numbers up to 10 3·999+3 = 10 3000 (short scale) or 10 6·999 = 10 5994 (long scale
A Number Translation Service (NTS) in the UK translates dialed non-geographic numbers, typically beginning with 08, to geographic numbers starting with 01 or 02. This allows organizations to maintain a consistent public phone number while directing calls to different destinations as needed. [1]
Far larger finite numbers than any of these occur in modern mathematics. For instance, Graham's number is too large to reasonably express using exponentiation or even tetration. For more about modern usage for large numbers, see Large numbers. To handle these numbers, new notations are created and used. There is a large community of ...