Use the form below to do your conversion.
Solution
Step1
Log212155=Log(2155) ÷ Log(21)
Log(2155)= 3.3334472744968
Log(21)=1.3222192947339
Log212155=3.3334472744968 ÷ 1.3222192947339
Ans=2.5211001592346
Step2
Alternatively, the logarithm can be calculated like this.