Use the form below to do your conversion.
Solution
Step1
Log128705=Log(8705) ÷ Log(12)
Log(8705)= 3.9397687754533
Log(12)=1.0791812460476
Log128705=3.9397687754533 ÷ 1.0791812460476
Ans=3.6507016684012
Step2
Alternatively, the logarithm can be calculated like this.