Use the form below to do your conversion.
Solution
Step1
Log21161=Log(161) ÷ Log(21)
Log(161)= 2.2068258760318
Log(21)=1.3222192947339
Log21161=2.2068258760318 ÷ 1.3222192947339
Ans=1.669031668817
Step2
Alternatively, the logarithm can be calculated like this.