Use the form below to do your conversion.
Solution
Step1
Log2116405=Log(16405) ÷ Log(21)
Log(16405)= 4.2149762347221
Log(21)=1.3222192947339
Log2116405=4.2149762347221 ÷ 1.3222192947339
Ans=3.1878042103222
Step2
Alternatively, the logarithm can be calculated like this.