Use the form below to do your conversion.
Solution
Step1
Log139961=Log(9961) ÷ Log(13)
Log(9961)= 3.9983029400985
Log(13)=1.1139433523068
Log139961=3.9983029400985 ÷ 1.1139433523068
Ans=3.5893233994516
Step2
Alternatively, the logarithm can be calculated like this.