Leading zeros have no value and therefore 001 is the same as 1 or one. If you meant 0.001 then the 1 is in the thousandths place and therfore represents one thousandth.
1 Thousandth
.001
001 = one
001 is just 1 .001 is 1/1000
0.000 001 is one millionths.0.000 001 is one millionths.0.000 001 is one millionths.0.000 001 is one millionths.
9.1e - 001 = 0.91
0800 001 001
1.001
There isn't a 001 Moshling.
There is no moshling 001.
maybe 001?
23 times .001 = 0.023