Use the form below to do your conversion.
Solution
Step1
Log207921=Log(7921) ÷ Log(20)
Log(7921)= 3.8987800132898
Log(20)=1.301029995664
Log207921=3.8987800132898 ÷ 1.301029995664
Ans=2.9966872603118
Step2
Alternatively, the logarithm can be calculated like this.