Use the form below to do your conversion.
Solution
Step1
Log211381=Log(1381) ÷ Log(21)
Log(1381)= 3.1401936785786
Log(21)=1.3222192947339
Log211381=3.1401936785786 ÷ 1.3222192947339
Ans=2.3749416538431
Step2
Alternatively, the logarithm can be calculated like this.