Use the form below to do your conversion.
Solution
Step1
Log214147=Log(4147) ÷ Log(21)
Log(4147)= 3.617734035364
Log(21)=1.3222192947339
Log214147=3.617734035364 ÷ 1.3222192947339
Ans=2.7361074292083
Step2
Alternatively, the logarithm can be calculated like this.