Use the form below to do your conversion.
Solution
Step1
Log215701=Log(5701) ÷ Log(21)
Log(5701)= 3.7559510410041
Log(21)=1.3222192947339
Log215701=3.7559510410041 ÷ 1.3222192947339
Ans=2.8406415304656
Step2
Alternatively, the logarithm can be calculated like this.