Use the form below to do your conversion.
Solution
Step1
Log131987=Log(1987) ÷ Log(13)
Log(1987)= 3.2981978671098
Log(13)=1.1139433523068
Log131987=3.2981978671098 ÷ 1.1139433523068
Ans=2.9608308719466
Step2
Alternatively, the logarithm can be calculated like this.