Use the form below to do your conversion.
Solution
Step1
Log128993=Log(8993) ÷ Log(12)
Log(8993)= 3.9539045934135
Log(12)=1.0791812460476
Log128993=3.9539045934135 ÷ 1.0791812460476
Ans=3.6638003188938
Step2
Alternatively, the logarithm can be calculated like this.