Use the form below to do your conversion.
Solution
Step1
Log216907=Log(6907) ÷ Log(21)
Log(6907)= 3.8392894560061
Log(21)=1.3222192947339
Log216907=3.8392894560061 ÷ 1.3222192947339
Ans=2.9036707233793
Step2
Alternatively, the logarithm can be calculated like this.