Nine millimeters is equal to 0.3543 inches. This result is due to the conversion factor for one millimeter being 0.0394 inches. Both figures were rounded to the fourth decimal space.
Continue ReadingThe atypical conversion factor is a result of these units being from different measuring systems, millimeters from the metric system and inches from imperial system. Along with the inch, the imperial system uses the foot, yard and mile as the main forms of measurement. Part of the metric system, the millimeter is a smaller unit of measurement. Centered around the number 10, larger measuring units in the metric system include the centimeter, meter and kilometer.
Learn more about NumbersThe number 87 is not a prime number. The factors of 87 are 1, 3 and 29. A prime number must have only two factors, the numbers one and the number itself.
Full Answer >Non-integers include fractions, decimal numbers and imaginary numbers. In math, integers include the set of all the counting numbers, their inverses or negatives, and zero, leaving all other numbers as non-integers. There are an infinite number of non-integers, just as there is an infinite number of integers.
Full Answer >The number 19 is the eighth prime number. A prime number is a positive, whole number that is only divisible by one and itself. Nineteen is also the seventh Mersenne prime exponent, which is a prime number that is one less than a power of two.
Full Answer >Modern mathematical symbols originate several hundred years in the past, as far back as 700 years ago. An early example is the plus sign, which was used to mean "and" in a text made by a French mathematician.
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