50 is the smallest number which is the sum of two squares in two different ways. (50 = 5. 2.5. 2. = 1. 2.7. 2.
http://wiki.answers.com/Q/What_are_some_interestin...

Do you know pi not only an irrational number but also a
http://www.chacha.com/question/whatisaninterest...

100 is the sum of the first nine prime numbers. 100 is the sum of the cubes of the first four integers. The atomic number of fermium is 100. There are exactly 100 prime numbers whose
http://answers.yahoo.com/question/index?qid=201302...

I guess the most common fact about prime numbers is that they can only be divided by themselves and one, leaving no remainder. Note that 1 is not regarded as a prime number. Other
http://uk.answers.yahoo.com/question/index?qid=201...
