Use the form below to do your conversion.
Solution
Step1
Log216509=Log(6509) ÷ Log(21)
Log(6509)= 3.8135142715419
Log(21)=1.3222192947339
Log216509=3.8135142715419 ÷ 1.3222192947339
Ans=2.8841768432288
Step2
Alternatively, the logarithm can be calculated like this.