Use the form below to do your conversion.
Solution
Step1
Log137981=Log(7981) ÷ Log(13)
Log(7981)= 3.9020573108085
Log(13)=1.1139433523068
Log137981=3.9020573108085 ÷ 1.1139433523068
Ans=3.5029225702795
Step2
Alternatively, the logarithm can be calculated like this.