Use the form below to do your conversion.
Solution
Step1
Log72129=Log(2129) ÷ Log(7)
Log(2129)= 3.3281756614383
Log(7)=0.84509804001426
Log72129=3.3281756614383 ÷ 0.84509804001426
Ans=3.9382124958924
Step2
Alternatively, the logarithm can be calculated like this.