Use the form below to do your conversion.
Solution
Step1
Log21901=Log(901) ÷ Log(21)
Log(901)= 2.9547247909791
Log(21)=1.3222192947339
Log21901=2.9547247909791 ÷ 1.3222192947339
Ans=2.2346707560138
Step2
Alternatively, the logarithm can be calculated like this.