The prime factorization of 99 is: 3 * 3 * 11 = 99
396
99*99=9801
There are infinite numbers, but 11* 9 is fine.
198
Prime factorization of 99 = 3 * 3 * 11
3 times 33
3 x 3 x 11
119
99
99
Well, darling, the sum of the first 99 odd numbers is 9801. You see, you take the last odd number, which is 197, multiply it by the total number of odd numbers (which is 99), and divide by 2. Voila! Math magic at its finest.