Use the form below to do your conversion.
Solution
Step1
Log136985=Log(6985) ÷ Log(13)
Log(6985)= 3.8441664104502
Log(13)=1.1139433523068
Log136985=3.8441664104502 ÷ 1.1139433523068
Ans=3.4509532306911
Step2
Alternatively, the logarithm can be calculated like this.