The seven classical planets resulted in seven being the number of days in a week. The most of the code is under the gnu lgpl license. As an early prime number in the series of positive integers, the number seven has symbolic associations in religion, mythology, superstition and philosophy. Also there is unrar license restriction for some parts of the code. Some parts of the code are under the bsd 3-clause license. It is an integer and a cardinal number, that is, a number that is used for counting. Learn to count up to and down from seven. Read 7-zip license information. It is the natural number [1] that follows 6 and precedes 8. In addition, it is classified as a real number, [3] distinguishing it from imaginary numbers. 7 (seven) is a number, numeral, and glyph that represents the number. It is the only prime number preceding a cube. 路 7-zip is a file archiver with a high compression ratio. 7 (seven) is the natural number following 6 and preceding 8. 7-zip is free software with open source. 路 the number 7 is often considered lucky, and it has a definite mystique, perhaps because it is a prime number鈥攖hat is, it cannot be obtained by multiplying two smaller numbers together. Learn to recognize and understand number 7. Created by teachers, learn how to show 7 in a ten frame.