Use the form below to do your conversion.
Solution
Step1
Log215123=Log(5123) ÷ Log(21)
Log(5123)= 3.7095243558763
Log(21)=1.3222192947339
Log215123=3.7095243558763 ÷ 1.3222192947339
Ans=2.8055288337196
Step2
Alternatively, the logarithm can be calculated like this.