Use the form below to do your conversion.
Solution
Step1
Log216401=Log(6401) ÷ Log(21)
Log(6401)= 3.8062478271958
Log(21)=1.3222192947339
Log216401=3.8062478271958 ÷ 1.3222192947339
Ans=2.8786812008834
Step2
Alternatively, the logarithm can be calculated like this.