Use the form below to do your conversion.
Solution
Step1
Log139665=Log(9665) ÷ Log(13)
Log(9665)= 3.9852018583646
Log(13)=1.1139433523068
Log139665=3.9852018583646 ÷ 1.1139433523068
Ans=3.5775624048671
Step2
Alternatively, the logarithm can be calculated like this.