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4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5 . It is a square number , the smallest semiprime and composite number , and is considered unlucky in many East Asian cultures.
- 4 (number)
4 (number) The number four is a number and a numeral. It...
- Number
A number is a mathematical object used to count, measure,...
- 4 (number)
Liczba 4 jest: najmniejszą naturalną liczbą złożoną, jedynym niebędącym liczbą pierwszą indeksem wyrazu ciągu Fibonacciego będącego liczbą pierwszą. W systemie dziesiętnym liczba całkowita jest podzielna przez 4 wtedy i tylko wtedy, gdy liczba utworzona z jej dwóch ostatnich cyfr jest podzielna przez 4.
4 (number) The number four is a number and a numeral. It comes after the number three, and before the number five. In Roman numerals, it is IV.
A number is a mathematical object used to count, measure, and label. The most basic examples are the natural numbers 1, 2, 3, 4, and so forth. [1] Numbers can be represented in language with number words. More universally, individual numbers can be represented by symbols, called numerals; for example, "5" is a numeral that represents the number ...
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
4 (four) is a number, numeral, and glyph that represents the number. It is the natural number [1] that follows 3 and precedes 5. It is an integer and a cardinal number, that is, a number that is used for counting. [2] In addition, it is classified as a real number, [3] distinguishing it from imaginary numbers.
Four is the largest number within the subitizing range and one of two numbers that is both a square and a highly composite number (the other being thirty-six), making quaternary a convenient choice for a base at this scale. Despite being twice as large, its radix economy is equal to that of binary.
