Use the form below to do your conversion.
Solution
Step1
Log215755=Log(5755) ÷ Log(21)
Log(5755)= 3.7600453279658
Log(21)=1.3222192947339
Log215755=3.7600453279658 ÷ 1.3222192947339
Ans=2.8437380568724
Step2
Alternatively, the logarithm can be calculated like this.