Use the form below to do your conversion.
Solution
Step1
Log21197=Log(197) ÷ Log(21)
Log(197)= 2.2944662261616
Log(21)=1.3222192947339
Log21197=2.2944662261616 ÷ 1.3222192947339
Ans=1.7353144333167
Step2
Alternatively, the logarithm can be calculated like this.