Use the form below to do your conversion.
Solution
Step1
Log128509=Log(8509) ÷ Log(12)
Log(8509)= 3.9298785236568
Log(12)=1.0791812460476
Log128509=3.9298785236568 ÷ 1.0791812460476
Ans=3.6415370801239
Step2
Alternatively, the logarithm can be calculated like this.