Use the form below to do your conversion.
Solution
Step1
Log138987=Log(8987) ÷ Log(13)
Log(8987)= 3.9536147416906
Log(13)=1.1139433523068
Log138987=3.9536147416906 ÷ 1.1139433523068
Ans=3.5492062801068
Step2
Alternatively, the logarithm can be calculated like this.