Use the form below to do your conversion.
Solution
Step1
Log129139=Log(9139) ÷ Log(12)
Log(9139)= 3.9608986773267
Log(12)=1.0791812460476
Log129139=3.9608986773267 ÷ 1.0791812460476
Ans=3.6702812357359
Step2
Alternatively, the logarithm can be calculated like this.