Use the form below to do your conversion.
Solution
Step1
Log77981=Log(7981) ÷ Log(7)
Log(7981)= 3.9020573108085
Log(7)=0.84509804001426
Log77981=3.9020573108085 ÷ 0.84509804001426
Ans=4.6172835884729
Step2
Alternatively, the logarithm can be calculated like this.