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To be a 3 digit palindromic number, it must be of the form aba.
I assume that a 3 digit number must be at least 100 (so that 020 for example does not count as a 3 digit number):
- a can be any of the nine digits 1-9;
- for each of these b can be any of the ten digits 0-9
Thus there are 9 x 10 = 90 three digit palindromic numbers.
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How many odd palindromic numbers are their between the numbers 246 and 642?
Twenty.
What trio of 3digit numbers have a sum of 801?
266, 267, 268
How many 8 digit palindromic numbers are there?
a 8-digits palindromic number is a number consisting of a 4-digits number written and then written backward, i.e. 1234 4321 so there are as many palindromic 8-digits numbers as 4-digits numbers so from 1000 to 9999, so there are 8999 palindromic 8 digits number (I assumed that 00011000 is not to be considered as a valid 8 digit number)
How many palindromic numbers are there between 0 and 100?
There are 9 palindromic numbers between 0 and 100: 11, 22, 33, 44, 55, 66, 77, 88 and 99.
How many palindromic numbers are there between 400 and 500?
There are 9 palindromic numbers between 400 and 500. A palindromic number reads the same forwards and backwards. The palindromic numbers in this range are 404, 414, 424, 434, 444, 454, 464, 474, and 484.
How many palindromic numbers between 100 and 1000?
There are 90 palindromic numbers between 100 and 1000
How many 3digit numbers are there?
There are 900 three-digit numbers, ranging from 100 to 999.
How many palindromic numbers are there?
infinite
What are the 13 non-palindromic number?
There are not just 13 non-palindromic numbers. Most numbers are non-palindromic.
How many palindromic 4 digit numbers are there?
90
How many 3 digit palindromic numbers are there?
9
How many 12 digit palindromic numbers are there?
There are 900000 of them.
How many palindromic numbers between 10 and 10000?
1089
How many palindromic numbers are there between 100 and 200?
10
How many palindromic numbers are between 10 and 100000?
1089
How many odd palindromic numbers are their between the numbers 246 and 642?
Twenty.
How many palindromic numbers exist between 1-25000?
25001
