1.0715
= 2.759031541
----------------------
9765625
It is the 15th power.
107 nickels haved the purchasing power of $5.35 .
1,000,000,000,000,000
2.078928179
It is 11 to the 16th power.
215 = 3276832768
815 = 35184372088832
115 = 1
8 to the 15th power
That's 107
Power Rangers has viewed anniversaries according to their seasons whether than their actual years which is why Operation Overdrive is the 15th anniversary because it is the 15th season.