Use the form below to do your conversion.
Solution
Step1
Log213107=Log(3107) ÷ Log(21)
Log(3107)= 3.492341253255
Log(21)=1.3222192947339
Log213107=3.492341253255 ÷ 1.3222192947339
Ans=2.6412723420117
Step2
Alternatively, the logarithm can be calculated like this.