Use the form below to do your conversion.
Solution
Step1
Log215675=Log(5675) ÷ Log(21)
Log(5675)= 3.7539658658652
Log(21)=1.3222192947339
Log215675=3.7539658658652 ÷ 1.3222192947339
Ans=2.8391401341792
Step2
Alternatively, the logarithm can be calculated like this.