Some superstitious people believe that 13, the 6th Prime number, is unlucky.
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It is the 6th prime number.
Any number that is the 6th power of a prime integer.
320
It is: 26*56 = 1,000,000 or one million
I believe they are called composite numbers:http://en.wikipedia.org/wiki/Composite_number_____________________________________I was just about to answer, but he answered first. It is a composite number. I am in 6th grade and we learned it this year.