Use the form below to do your conversion.
Solution
Step1
Log157921=Log(7921) ÷ Log(15)
Log(7921)= 3.8987800132898
Log(15)=1.1760912590557
Log157921=3.8987800132898 ÷ 1.1760912590557
Ans=3.3150318763701
Step2
Alternatively, the logarithm can be calculated like this.