Use the form below to do your conversion.
Solution
Step1
Log21907=Log(907) ÷ Log(21)
Log(907)= 2.9576072870601
Log(21)=1.3222192947339
Log21907=2.9576072870601 ÷ 1.3222192947339
Ans=2.2368507998934
Step2
Alternatively, the logarithm can be calculated like this.