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Number System
Question | Answer |
---|---|
The natural numbers together with 0. | The whole numbers |
The set of real numbers consisting of the natural numbers, their additive inverses and zero. | The integers |
The numbers which can be expressed as a ratio between two integers. | The rational numbers |
A number that cannot be written as a ratio (or fraction). | An irrational number |
The set of numbers containing all of the rational numbers and all of the irrational numbers. | The real numbers |
An integer that is "evenly divisible" by two, that is divisible by two without remainder; | An even number |
An integer greater than 1 that is not the product of two smaller positive integers. | A prime number |
A number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit, | A complex number |