Use the form below to do your conversion.
Solution
Step1
Log21415=Log(415) ÷ Log(21)
Log(415)= 2.6180480967121
Log(21)=1.3222192947339
Log21415=2.6180480967121 ÷ 1.3222192947339
Ans=1.9800407596071
Step2
Alternatively, the logarithm can be calculated like this.