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Mathematics is the study of numbers, shapes, and related structures.
The ancient Babylonians observed the movements of the planets, recorded them as numbers, and used them to predict eclipses and other astronomical phenomena.
For example, consider the palindrome, meaning that it looks the same when reversed. Little is known of his life, and in fact he may be a composite figure to whom the discoveries of many different people have been attributed by his followers.
It is also the 17th tetrahedral number, meaning that if you pile up spheres so that successive layers form the triangular numbers 1, 3, 6, 10, and so on, by layer 17 the total number of balls will be 969. It is not even known whether the Pythagorean theorem in geometry was actually discovered by him.
All even numbers were female, all odd numbers male. The most perfect number was 10, because 10 = 1 2 3 4.
This number symbolized unity arising from multiplicity. A single point corresponds to 1, a line to 2 (because a line has two extremities), a triangle to 3, and space to 4. The Pythagoreans recognized the existence of nine heavenly bodies: Sun, Moon, Mercury, Venus, Earth, Mars, Jupiter, Saturn, and the so-called Central Fire. The square numbers (1, 4, 9, 16,…) were arranged in squares, and the triangular numbers (1, 3, 6, 10,…) were arranged in triangles (Polygonal numbers The ancient Greeks generally thought of numbers in concrete terms, particularly as measurements and geometric dimensions.