2. a. It is a five-digit decimal number.
b. There are three places to the right of the decimal point.
c. Its tenths digit is 1/5 of its tens digit.
d. Its hundredth digit is its smallest digit.
e. Each of its digits is different.
f. Its thousandth digit is an even prime number.
g. Its ones digit is the sum of all of its other digits.