Use the form below to do your conversion.
Solution
Step1
Log1216405=Log(16405) ÷ Log(12)
Log(16405)= 4.2149762347221
Log(12)=1.0791812460476
Log1216405=4.2149762347221 ÷ 1.0791812460476
Ans=3.9057167182611
Step2
Alternatively, the logarithm can be calculated like this.