Use the form below to do your conversion.
Solution
Step1
Log218789=Log(8789) ÷ Log(21)
Log(8789)= 3.9439394644722
Log(21)=1.3222192947339
Log218789=3.9439394644722 ÷ 1.3222192947339
Ans=2.982817963843
Step2
Alternatively, the logarithm can be calculated like this.