Because of this, it is the best known and most important number system in addition to the commonly used decimal system. It witnessed the development of digital technology for a proliferation. Gottfried Wilhelm Leibniz discovered the dual system (binary or binary system) that uses only two digits to represent numbers. Two is the third number of the Fibonacci sequence. Also it's the only prime which is followed by another prime number three. Two is the smallest and the only even prime number. Another feature of the four is the impossibility of an algebraic equation of higher degree than four square roots using simple arithmetic and basic operations dissolve. These then form a tetrahedron (tetrahedron), a body with four identical triangular faces. The meaning of the number 393424: How is 393,424 spell, written in words, interesting facts, mathematics, computer science color 393424, numerology, codes. Space let's us arrange equidistantly a maximum of four points. It is the simplest figure that can be deformed while keeping it's side lengths, such as the rectangle to parallelogram. Four points make the plane of a square, an area with four sides. The peculiarity of the four is that both 2 + 2 = 4 and 2 * 2 = 4 and thus 2^2 = 4. It is the first composite number and thus the first non-prime number after one. Number Nine is the number which (other than 0) as a single digit checksum generally occurs (in decimal number system) after multiplication by an arbitrary integer always even, and the number which is added to any other (except 0 and -9), as a single digit checksum the same result as the starting number itself - ie it behaves quasi-neutral. It is the smallest natural number n, for each non-negative integer can be represented as a sum of at most n positive cubes (see Waring's problem), and the smallest positive integer n for which n squares in pairs of different positive edge length exist, the can be put together to form a rectangle. Nine is the smallest odd composite number and the minimum composite odd number that is no Fermat pseudoprime. Rule of three: If the sum of the digits of a number is a multiple of three, the underlying number is divisible by three. With the calculation of its sizes deals trigonometry. The triangle is the simplest geometric figure in the plane. During the year ended December 31, 2009, no equity investments were transferred between. It is the fourth number of the Fibonacci sequence and the second one that is unique. At the same time it is the first Mersenne prime (2 ^ 2-1), the first Fermat prime (2 ^ +1), the second Sophie Germain prime and the second Mersenne prime exponent. Three is the first odd prime number and the second smallest right after number two. Mathematical Information About Numbers 3 9 4 2

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