Use the form below to do your conversion.
Solution
Step1
Log79887=Log(9887) ÷ Log(7)
Log(9887)= 3.9950645341561
Log(7)=0.84509804001426
Log79887=3.9950645341561 ÷ 0.84509804001426
Ans=4.72733853943
Step2
Alternatively, the logarithm can be calculated like this.