# What 5 digit number am I thinking of. It has two prime digits. Digit 3 is the highest digit. Digit 2 is lowest digit. Digit 1 is higher than the sum of digits 4 and 5. Digit 5 is half of digit 4. Digit 1 is one smaller than digit 3. Digit 5 is between digit 2 and digit 1 There are no duplicates and the digit 0 doesn't appear. Don't forget that 1 isn't prime.

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