Use the form below to do your conversion.
Solution
Step1
Log1513721=Log(13721) ÷ Log(15)
Log(13721)= 4.137385764334
Log(15)=1.1760912590557
Log1513721=4.137385764334 ÷ 1.1760912590557
Ans=3.5179121794137
Step2
Alternatively, the logarithm can be calculated like this.