Use the form below to do your conversion.
Solution
Step1
Log128489=Log(8489) ÷ Log(12)
Log(8489)= 3.9288565335819
Log(12)=1.0791812460476
Log128489=3.9288565335819 ÷ 1.0791812460476
Ans=3.6405900750878
Step2
Alternatively, the logarithm can be calculated like this.