Use the form below to do your conversion.
Solution
Step1
Log217867=Log(7867) ÷ Log(21)
Log(7867)= 3.8958091501691
Log(21)=1.3222192947339
Log217867=3.8958091501691 ÷ 1.3222192947339
Ans=2.9464168052041
Step2
Alternatively, the logarithm can be calculated like this.