6 (number)
The six (6) is the natural number of between five and seven. She's just.
Mathematics
The 6 is the smallest composite number with two distinct prime factors, and the third triangular number.
It is the smallest perfect number: 6 = 1 2 3 and the factorial of 3 is what is remarkable because there are no other three numbers whose product is equal to their sum. Is the same. The equation has the only solution (without permutations ) x = 1, y = 2 and z = 3 Finally, it is
The cube (from the Greek ) or hexahedral ( from Latin ) cube is one of the five Platonic solids and has six equal areas. A tetrahedron has six edges and six vertices octahedron. With regular hexagons can fill a plane without any gaps.
6 is a two-dimensional kiss number.
In addition:
Natural sciences
The insects have six legs like all Sechsfüßer.
Many crystals form hexagonal ( hexagonal ) structures such as natural ice and snowflakes are sechsstrahlig. In nature there is the hexagonal form in the walls of the honeycomb as a nearly optimal ratio of wall material is produced to room volume, hexagons are everywhere.
History and Society
The 6 is the least significant performance note to German schools. Swiss schools the grade 6 is the best rating.
In football, will wear the number 6 (also called six- position ) is regarded as number of defensive midfielder.
Culture, literature, music, and spiritual life
To the French writer Jean Cocteau gathered after the First World War, a group of neo-classical composers, Les Six was called (the six ).
Mythology and religion
According to the Bible, God created the earth in six days (see Augustine's remark in the theocracy ).
Buddhism divides the world into six realms in which a being can be reborn. They are depicted on the Tibetan Wheel of Life.
The hexagram ( six-pointed star ), a star with six rays, which is formed of two superimposed equilateral triangles, is a religious symbol in some religions, as in Tantric Hinduism and in Buddhism. When David Stern (Hebrew מגן דוד, Magen David - " Shield of David "), it is the symbol of Judaism and the people of Israel. Derived from it is a sign of alchemy, in which the overlapping triangles symbolize the elements. As a so -called brewer's the hexagram was the guild sign of brewers and maltsters. Hence the use derives in tavern signs.
The Book of Changes ( Yijing ) is based on sixty-four hexagrams, the yin or yang lines consist of six each. On the importance of Six in Chinese numerology see there.