Use the form below to do your conversion.
Solution
Step1
Log215057=Log(5057) ÷ Log(21)
Log(5057)= 3.7038929536325
Log(21)=1.3222192947339
Log215057=3.7038929536325 ÷ 1.3222192947339
Ans=2.8012697805759
Step2
Alternatively, the logarithm can be calculated like this.