Use the form below to do your conversion.
Solution
Step1
Log131981=Log(1981) ÷ Log(13)
Log(1981)= 3.2968844755385
Log(13)=1.1139433523068
Log131981=3.2968844755385 ÷ 1.1139433523068
Ans=2.9596518249434
Step2
Alternatively, the logarithm can be calculated like this.