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My Favorite Number

My Favorite Number. II. Meng Tso -Chun. Properties of 2. An integer is called even if it is divisible by 2. 2 is the smallest and the first prime number, and the only even one. 2 and 3 are the only two consecutive prime numbers. Properties of 2.

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My Favorite Number

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  1. My Favorite Number II MengTso-Chun

  2. Properties of 2 • An integer is called even if it is divisible by 2. • 2 is the smallest and the first prime number, and the only even one. • 2 and 3 are the only two consecutive prime numbers.

  3. Properties of 2 • 2 is the only number x such that the sum of the reciprocals of the powers of x equals itself. • The was the first known irrational number. • The smallest field has 2 elements.

  4. 2 in Chinese

  5. Question ?

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