14
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.
There are 900 three digit numbers between 99 and 3,000 - ranging from 100 to 999
271 of the first 1000 natural numbers contain at least one digit 5. That is 27.1 % of them.
If you include the number 3,000, there are exactly 2,001 4-digit numbers between 500 and 3000.
there are 10 palindromic numbers between 9000 and 10000 9009,9119,9229,9339,9449,9559,9669,9779,9889,9999!!!
4234
1001 - 1991, etc = 10, x (2,3,4,5,6,7,8,9) 8 = 80
14
10000 and 99999
342 of them.
In base ten, there are 9000 four digit number, the numbers are from 1000 to 9999. If you allow leading zeros, then there are 10000 numbers. [0000 - 9999]
9999 rounds to 10000
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.
10000-99=901
-3
There are no 3 digit numbers between 0 and 9 because 0 and 9 are 1 digit numbers.