Use the form below to do your conversion.
Solution
Step1
Log159905=Log(9905) ÷ Log(15)
Log(9905)= 3.9958544798746
Log(15)=1.1760912590557
Log159905=3.9958544798746 ÷ 1.1760912590557
Ans=3.397571786294
Step2
Alternatively, the logarithm can be calculated like this.