Use the form below to do your conversion.
Solution
Step1
Log21143=Log(143) ÷ Log(21)
Log(143)= 2.1553360374651
Log(21)=1.3222192947339
Log21143=2.1553360374651 ÷ 1.3222192947339
Ans=1.6300896878825
Step2
Alternatively, the logarithm can be calculated like this.