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A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
Toggle Selected numbers in the range 9001–9999 subsection. 1.1 9001 to 9099. 1.2 ... 9905 – number of compositions of 16 whose run-lengths are either weakly ...
Mobile phones use geographic area codes (two digits): after that, all numbers assigned to mobile service have nine digits, starting with 6, 7, 8 or 9 (example: 55 15 99999–9999). 90 is not possible, because collect calls start with this number. [5] xx 7: xx 8: xx 9: British Indian Ocean Territory +246: 380 7 387 British Virgin Islands +1: 284: 10
A unique four-digit number for each NPA, from 0000 to 9999 Also called station code Using 0 or 1 as the first digit of an area code or central office code is invalid, as is a 9 as the middle digit of an area code; these are trunk prefixes or reserved for North American Numbering Plan expansion .
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
Toggle Selected numbers in the range 10001-19999 subsection. ... 10,000 (ten thousand) is the natural number following 9,999 and preceding 10,001. Name
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.
"A character may be a letter of the alphabet, a decimal number, or any of eleven different punctuation marks or symbols used in report printing." "Each one of the 10 000 positions of memory is numbered from 0000 to 9999 and each stored character must occupy one of these positions." (page 8)