Use the form below to do your conversion.
Solution
Step1
Log218609=Log(8609) ÷ Log(21)
Log(8609)= 3.9349527078179
Log(21)=1.3222192947339
Log218609=3.9349527078179 ÷ 1.3222192947339
Ans=2.9760212420813
Step2
Alternatively, the logarithm can be calculated like this.