Use the form below to do your conversion.
Solution
Step1
Log20247=Log(247) ÷ Log(20)
Log(247)= 2.3926969532597
Log(20)=1.301029995664
Log20247=2.3926969532597 ÷ 1.301029995664
Ans=1.8390790075816
Step2
Alternatively, the logarithm can be calculated like this.