Use the form below to do your conversion.
Solution
Step1
Log213625=Log(3625) ÷ Log(21)
Log(3625)= 3.559308010907
Log(21)=1.3222192947339
Log213625=3.559308010907 ÷ 1.3222192947339
Ans=2.6919195817841
Step2
Alternatively, the logarithm can be calculated like this.