Use the form below to do your conversion.
Solution
Step1
Log214115=Log(4115) ÷ Log(21)
Log(4115)= 3.6143698395483
Log(21)=1.3222192947339
Log214115=3.6143698395483 ÷ 1.3222192947339
Ans=2.7335630737983
Step2
Alternatively, the logarithm can be calculated like this.