Use the form below to do your conversion.
Solution
Step1
Log215155=Log(5155) ÷ Log(21)
Log(5155)= 3.7122286696195
Log(21)=1.3222192947339
Log215155=3.7122286696195 ÷ 1.3222192947339
Ans=2.8075741175495
Step2
Alternatively, the logarithm can be calculated like this.