Use the form below to do your conversion.
Solution
Step1
Log216457=Log(6457) ÷ Log(21)
Log(6457)= 3.8100307864058
Log(21)=1.3222192947339
Log216457=3.8100307864058 ÷ 1.3222192947339
Ans=2.8815422688054
Step2
Alternatively, the logarithm can be calculated like this.