Use the form below to do your conversion.
Solution
Step1
Log1313987=Log(13987) ÷ Log(13)
Log(13987)= 4.1457245748807
Log(13)=1.1139433523068
Log1313987=4.1457245748807 ÷ 1.1139433523068
Ans=3.721665528409
Step2
Alternatively, the logarithm can be calculated like this.