Use the form below to do your conversion.
Solution
Step1
Log216871=Log(6871) ÷ Log(21)
Log(6871)= 3.8370199485409
Log(21)=1.3222192947339
Log216871=3.8370199485409 ÷ 1.3222192947339
Ans=2.9019542853616
Step2
Alternatively, the logarithm can be calculated like this.