Use the form below to do your conversion.
Solution
Step1
Log214285=Log(4285) ÷ Log(21)
Log(4285)= 3.6319508262592
Log(21)=1.3222192947339
Log214285=3.6319508262592 ÷ 1.3222192947339
Ans=2.7468596478091
Step2
Alternatively, the logarithm can be calculated like this.