Use the form below to do your conversion.
Solution
Step1
Log138683=Log(8683) ÷ Log(13)
Log(8683)= 3.9386698010227
Log(13)=1.1139433523068
Log138683=3.9386698010227 ÷ 1.1139433523068
Ans=3.5357900317518
Step2
Alternatively, the logarithm can be calculated like this.