Saturday, October 23, 2010

Calculate your age in days

You can calculate your age in days at ...


(1) Is your number a prime number or a composite number?

Here's a list of the First 10,000 Prime Numbers


A prime number (or a prime) is a natural number that has exactly two distinct natural number divisors: 1 and itself.

A composite number is a positive integer which has a positive divisor other than one or itself.

Example:
9 can be divided evenly by 1, 3 and 9. So 9 is a composite number.
7 cannot be divided up evenly. we could have divided 7 into seven 1s, or one 7

(2) Is your number a square? cubic? or something else?


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