Use the form below to do your conversion.
Solution
Step1
Log207981=Log(7981) ÷ Log(20)
Log(7981)= 3.9020573108085
Log(20)=1.301029995664
Log207981=3.9020573108085 ÷ 1.301029995664
Ans=2.9992062625866
Step2
Alternatively, the logarithm can be calculated like this.