Use the form below to do your conversion.
Solution
Step1
Log78401=Log(8401) ÷ Log(7)
Log(8401)= 3.9243309847087
Log(7)=0.84509804001426
Log78401=3.9243309847087 ÷ 0.84509804001426
Ans=4.6436399079123
Step2
Alternatively, the logarithm can be calculated like this.