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Lakh and crore are common enough to have entered Indian English. For number 0, Modern Standard Hindi is more inclined towards śūnya (a Sanskrit tatsama ) and Standard Urdu is more inclined towards sifr (borrowed from Arabic), while the native tadbhava -form is sunnā in Hindustani.
For higher powers of ten, naming diverges. The Indian system uses names for every second power of ten: lakh (10 5), crore (10 7), arab (10 9), kharab (10 11), etc. In the two Western systems, long and short scales, there are names for every third power of ten. The short scale uses million (10 6), billion (10 9), trillion (10 12), etc.
"A base is a natural number B whose powers (B multiplied by itself some number of times) are specially designated within a numerical system." [1]: 38 The term is not equivalent to radix, as it applies to all numerical notation systems (not just positional ones with a radix) and most systems of spoken numbers. [1]
Urdu (excl. Hindi) Indo-European: Indo-Aryan: 70 million 168 million 238 million Indonesian (excl. other Malay) Austronesian: Malayo-Polynesian: 44 million 155 million 199 million Standard German: Indo-European: Germanic: 76 million 58 million 134 million Japanese: Japonic — 123 million <1 million 123 million Nigerian Pidgin: English Creole ...
There is one count that puts the English vocabulary at about 1 million words—but that count presumably includes words such as Latin species names, prefixed and suffixed words, scientific terminology, jargon, foreign words of extremely limited English use and technical acronyms. [42] [43] [44] Urdu: 264,000
A lakh (/ l æ k, l ɑː k /; abbreviated L; sometimes written lac [1]) is a unit in the Indian numbering system equal to one hundred thousand (100,000; scientific notation: 10 5). [1] [2] In the Indian 2, 2, 3 convention of digit grouping, it is written as 1,00,000. [3]
In a vigesimal place system, twenty individual numerals (or digit symbols) are used, ten more than in the decimal system. One modern method of finding the extra needed symbols is to write ten as the letter A, or A 20, where the 20 means base 20, to write nineteen as J 20, and the numbers between with the corresponding letters of the alphabet.
The Hindu–Arabic system is designed for positional notation in a decimal system. In a more developed form, positional notation also uses a decimal marker (at first a mark over the ones digit but now more commonly a decimal point or a decimal comma which separates the ones place from the tenths place), and also a symbol for "these digits recur ad infinitum".