Use the form below to do your conversion.
Solution
Step1
Log73985=Log(3985) ÷ Log(7)
Log(3985)= 3.6004283257321
Log(7)=0.84509804001426
Log73985=3.6004283257321 ÷ 0.84509804001426
Ans=4.2603676203904
Step2
Alternatively, the logarithm can be calculated like this.