Use the form below to do your conversion.
Solution
Step1
Log215957=Log(5957) ÷ Log(21)
Log(5957)= 3.7750276000988
Log(21)=1.3222192947339
Log215957=3.7750276000988 ÷ 1.3222192947339
Ans=2.855069212145
Step2
Alternatively, the logarithm can be calculated like this.