Impossible because 0.5 is less than a whole number but as a fraction it is 1/2
.05
Write It in Stone was created on 1998-05-19.
.05
0.5 = 50%
Five.
.05
'05' as the number '5' it is a PRIME Number. The prefix zero is trivial.
.05
.05
.05
It is: 5 = V
11: XI 05: V 1981: MCMLXXXI