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Every nonzero real number x has exactly one real cube root that is denoted and called the real cube root of x or simply the cube root of x in contexts where complex numbers are not considered. For example, the real cube roots of 8 and −8 are respectively 2 and −2 .
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
Typically, Ilocanos use native numbers for one through 10, and Spanish numbers for amounts of 10 and higher. Specific time is told using the Spanish system and numbers for hours and minutes, for example, Alas dos/A las dos (2 o'clock). For dates, cardinal Spanish numbers are the norm; for example, 12 (dose) ti Julio/Hulio (the twelfth of July).
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.
Spoken in: the Spanish autonomous communities of Cantabria and Asturias; Cantonese – 廣東話 Official language in: Hong Kong Special Administration Region, People's Republic of China, Macau Special Administrative Region, People's Republic of China, Guangdong Province, People's Republic of China; Cape Verdean Creole – kabuverdianu, kriolu ...
Prime-counting function: Number of primes less than or equal to a given number. Partition function: Order-independent count of ways to write a given positive integer as a sum of positive integers. Möbius μ function: Sum of the nth primitive roots of unity, it depends on the prime factorization of n. Prime omega functions; Chebyshev functions
The name of a number 10 3n+3, where n is greater than or equal to 1000, is formed by concatenating the names of the numbers of the form 10 3m+3, where m represents each group of comma-separated digits of n, with each but the last "-illion" trimmed to "-illi-", or, in the case of m = 0, either "-nilli-" or "-nillion". [17]
Sociable Dudeney numbers and amicable Dudeney numbers are the powers of their respective roots. The number of iterations i {\displaystyle i} needed for F p , b i ( n ) {\displaystyle F_{p,b}^{i}(n)} to reach a fixed point is the Dudeney function's persistence of n {\displaystyle n} , and undefined if it never reaches a fixed point.