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9999 is the largest 4-digit number.When added with 1 it becomes 10000. 9999 + 1 = 10000.
One million
90000. With 10 digit palindromes, the last 5 digits are the same as the first 5 digits in reverse, eg 12345 54321. So it comes down to how many 5 digit numbers are there? They are the numbers "10000" to "99999", a total of 99999 - 10000 + 1 = 90000.
The smallest, positive 5-digit whole number is 10,000
01234 is, technically a 4-digit number. Also, 10234 is not the smallest 5 digit number. The smallest 5 digit [positive] number is 10000.
It is 10000.
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