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900 This explains it. A positive integer is a palindrome if it reads the same forward and backwards such as 1287821 and 4554. Determine the number of 5-digit positive integers which are NOT palindromes. We start by counting the total number of 5 digit positive integers. The first digit is between 1 and 9, so we have 9 choices. Each of the other 4 digits can be anything at all (10 choices for each). This gives us 9(10)4 = 90000 five-digit positive integers. Now we need to count the number of 5 digit palindromes. Again, we have 9 choices for the first digit and 10 choices for each of the next two. The tens and units digits however are fixed by our choices so far. Therefore, there are only 900 five-digit palindromes. Therefore, the total number of five-digit positive integers which are not palindromes is 90000-900 = 89100.

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โˆ™ 2008-11-26 18:51:23
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โˆ™ 2020-04-12 22:38:47

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Q: How many 5 digit palindromes are there?
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Related questions

How many 3-digit odd palindromes are divisible by 5?

There are 10 3-digit odd palindromes that are divisible by five.


How many 4-digit palindromes are there?

There are 90 four-digit palindromes


How many 5-digit palindromes are multiples of 9?

-4


How many four digit palindromes are there?

There is 90 four digit palindromes.


How many 5 digit palindromes equal the sum of 18?

35.


How many four digit palindromes are perfect squares?

There are no four-digit perfect squares that are palindromes.


How many palindromes have 6 digits?

There are 900 6-digit palindromes.


How many ten digit palindromes are there?

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.


How many 3 digit numbers are palindromes?

90


How many positive 3-digit palindromes are there?

90 of them.


How many 2 digit palindromes are possible?

9 of them.


How many three digit palindromes are divisible by 11?

8


How many palindromes are there in 3 digit whole numbers?

90


How many different palindromes are there with 6 digits?

For there to be palindromes, each digit must be replicated. Therefore there are at most three distinct digits.If there are 3 pairs of different digits, then there are 6 palindromes. If there can be more duplicate digits, then there are 27 palindromes.


How many 3 digit palindromes are there that add up to ten?

Five of them.


How many 4-digit numbers are palindromes?

There are 90 such numbers.


How many positive two digit palindromes exist?

There are nine two-digit palindromes: 11, 22, 33, 44, 55, 66, 77, 88 and 99.


Are there more 10-digit or 11-digit palindromic numbers?

-1


How many six digit numbers are not palindromes?

899100 of them. Only 900 of the 900000 are palindromic.


How many digit palindromes numbers are there?

There is no limit to numbers, thus there is no limit to palindrome numbers.


How many positive four-digit integer palindromes have 12 as the sum of the digits of the munber?

81


5 letter palindromes?

Some 5 letter palindromes are:kayaksagascivictenetlevelreferradarrotormadamdeled


How many 3 digit numbers greater than 100 are palindromes?

There is: 101,111,121,131,141,151,161,171,181,191 202,212,222,etc... 999 There are 90 palindromic 3 digit numbers


How many palindromes are between the number 17642 and 18203?

5


What digits are always the same in a 4-digit palindrome?

None. 1221 and 3443 are both 4-digit palindromes but no digit has remained the same between the two. First and fourth, second and third.

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