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A three-digit palindromic number is a number that reads the same forwards and backwards, consisting of three digits. These numbers take the form ( aba ), where ( a ) is any digit from 1 to 9 (to ensure it's a three-digit number), and ( b ) is any digit from 0 to 9. Examples include 101, 121, 131, and so on, up to 999. There are a total of 90 three-digit palindromic numbers.
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Are there any palindromic primes with an even number of digits greater than 11?
No, 11 is the only palindromic prime with an even number of digits.
Is 2 palindromic?
No, the number 2 is not considered palindromic in the context of multiple digits. A palindromic number reads the same forwards and backwards. For single-digit numbers like 2, it remains the same, but palindromic typically refers to numbers with at least two digits, such as 121 or 1331. However, in a broader sense, any single-digit number can be seen as trivially palindromic.
How do you generate 3-digit palindromic number?
Let the first and third digits be equal. Choose any other number as the second digit. 202, 919, etc.
What is the sum of the digits of the largest 4-digit palindromic number which is divisible by 15?
-11
Is 1 303 031 a palindromic number?
Yes, because the sequence of digits is the same when read either forward or backward. (The spacing between the digits is irrelevant.)
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)
Are there any palindromic primes with an even number of digits greater than 11?
No, 11 is the only palindromic prime with an even number of digits.
What 3 digit palindromic number has digits that add to 17 and multiply to 180?
656
How many 3-digit palindromic numbers are there?
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 0-9Thus there are 9 x 10 = 90 three digit palindromic numbers.
Is 2 palindromic?
No, the number 2 is not considered palindromic in the context of multiple digits. A palindromic number reads the same forwards and backwards. For single-digit numbers like 2, it remains the same, but palindromic typically refers to numbers with at least two digits, such as 121 or 1331. However, in a broader sense, any single-digit number can be seen as trivially palindromic.
What is the only palindromic prime number with a even number of digits?
11
What three digit number whose digits are all odd and different has a sum of the three digits that is palindromic?
137?
How do you generate 3-digit palindromic number?
Let the first and third digits be equal. Choose any other number as the second digit. 202, 919, etc.
What is the sum of the digits of the largest 4-digit palindromic number which is divisible by 15?
-11
Is 1 303 031 a palindromic number?
Yes, because the sequence of digits is the same when read either forward or backward. (The spacing between the digits is irrelevant.)
What is a palindromic cube?
A palindromic cube is a number that is both a cube of an integer and a palindrome, meaning it reads the same forwards and backwards. For example, ( 1^3 = 1 ) and ( 2^3 = 8 ) are not palindromic, but ( 3^3 = 27 ) is also not palindromic. However, ( 4^3 = 64 ) is likewise not palindromic. An example of a palindromic cube is ( 5^3 = 125 ), as it reads the same in reverse form, although it is important to note that actual palindromic cubes in their entirety are rare.
What is the only unknown number palindrome?
A palindromic number is a number whose digits, with decimal representation usually assumed, are the same read backwards, for example, 58285.
