Use the form below to do your conversion.
Solution
Step1
Log216665=Log(6665) ÷ Log(21)
Log(6665)= 3.8238001537499
Log(21)=1.3222192947339
Log216665=3.8238001537499 ÷ 1.3222192947339
Ans=2.8919560990973
Step2
Alternatively, the logarithm can be calculated like this.