Use the form below to do your conversion.
Solution
Step1
Log129391=Log(9391) ÷ Log(12)
Log(9391)= 3.9727118405471
Log(12)=1.0791812460476
Log129391=3.9727118405471 ÷ 1.0791812460476
Ans=3.6812276483646
Step2
Alternatively, the logarithm can be calculated like this.