Use the form below to do your conversion.
Solution
Step1
Log138539=Log(8539) ÷ Log(13)
Log(8539)= 3.9314070135566
Log(13)=1.1139433523068
Log138539=3.9314070135566 ÷ 1.1139433523068
Ans=3.5292701423417
Step2
Alternatively, the logarithm can be calculated like this.