Use the form below to do your conversion.
Solution
Step1
Log213923=Log(3923) ÷ Log(21)
Log(3923)= 3.5936183081295
Log(21)=1.3222192947339
Log213923=3.5936183081295 ÷ 1.3222192947339
Ans=2.7178686035229
Step2
Alternatively, the logarithm can be calculated like this.