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In combinatorics, 20 is the number of distinct combinations of 6 items taken 3 at a time. Equivalently, it is the central binomial coefficient for n=3 (sequence A000984 in the OEIS). In decimal, 20 is the smallest non-trivial neon number equal to the sum of its digits when raised to the thirteenth power (20 13 = 8192 × 10 13). [citation needed]
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.
A number is a mathematical object used to count, measure, and label. The most basic examples are the natural numbers 1, 2, ... [20] [better source needed] ...
10,000: a myriad (a hundred hundred), commonly used in the sense of an indefinite very high number. 100,000: a lakh (a hundred thousand), in Indian English. 10,000,000: a crore (a hundred lakh), in Indian English and written as 100,00,000. 10 100: googol (1 followed by 100 zeros), used in mathematics.
A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. ... 20 p − 1 ≡ 1 (mod p 2): 281, 46457, ...
On eBay, these kinds of bills can sell for anywhere from $10 to $300. The lower the serial number, the more valuable the currency is considered to be; a bill with the serial number 00000001 could ...
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
Eventually Jon did open Heidi’s locker, revealing a jersey with the number 20 instead. (Weirdly, both Simon and Heidi had pulled 8’s out of the magician’s box.) However, as a former pro ...