Use the form below to do your conversion.
Solution
Step1
Log21431=Log(431) ÷ Log(21)
Log(431)= 2.6344772701607
Log(21)=1.3222192947339
Log21431=2.6344772701607 ÷ 1.3222192947339
Ans=1.9924662124152
Step2
Alternatively, the logarithm can be calculated like this.