Use the form below to do your conversion.
Solution
Step1
Log216491=Log(6491) ÷ Log(21)
Log(6491)= 3.8123116091311
Log(21)=1.3222192947339
Log216491=3.8123116091311 ÷ 1.3222192947339
Ans=2.8832672646018
Step2
Alternatively, the logarithm can be calculated like this.