Use the form below to do your conversion.
Solution
Step1
Log218143=Log(8143) ÷ Log(21)
Log(8143)= 3.9107844347928
Log(21)=1.3222192947339
Log218143=3.9107844347928 ÷ 1.3222192947339
Ans=2.9577426757941
Step2
Alternatively, the logarithm can be calculated like this.