Use the form below to do your conversion.
Solution
Step1
Log211289=Log(1289) ÷ Log(21)
Log(1289)= 3.1102529173534
Log(21)=1.3222192947339
Log211289=3.1102529173534 ÷ 1.3222192947339
Ans=2.3522973305115
Step2
Alternatively, the logarithm can be calculated like this.