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What is the sum of two palindromic numbers?
The sum of two palindromic numbers is not necessarily a palindromic number. For example, adding the palindromic numbers 121 and 131 gives 252, which is also a palindrome. However, adding 121 and 122 results in 243, which is not a palindrome. Therefore, while some sums of palindromic numbers can be palindromic, it is not a guaranteed outcome.
What is the only two digit palindromic prime number?
11
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 a 2 digit non-prime palindromic number?
A two-digit non-prime palindromic number is a number that reads the same forwards and backwards, has two digits, and is not a prime number. An example of this is 22, as it meets all the criteria: it is two digits, reads the same in either direction, and is divisible by 1, 2, 11, and 22, making it non-prime. Other examples include 44, 66, and 88.
What is the greatest palindromic number less then 99?
The greatest palindromic number less than 99 is 88. A palindromic number reads the same forwards and backwards, and among the two-digit numbers, 88 is the highest that meets this criterion. Other two-digit palindromes include 77, 66, and so on, but none surpass 88.
The smallest non-palindromic number whose square is a palindrome?
That would be 26 . . . its square is 676.There are two smaller palindromic squares . . . 121 and 484 ... but they're the squares of11 and 22 respectively, which are palindromic, so they flunk the question's specifications.
What is the only 2-digit palindromic number that is prime?
A palindromic number is the same forwards as backwards. In the case of a two-digit number, that means the two digits are the same: 11, 22, 33, 44, 55, 66, 77, 88, and 99. The only one that is prime is 11, since the others are all multiples of 11.
What is the only two-digit palindromic prime?
The only 2-didgit palindromic prime is 11.
Which two palindromic numbers have a difference of two?
999, 1001.
How many palindromic numbers are there between 1000 and 10000?
To find the number of palindromic numbers between 1000 and 10000, we need to consider that a palindrome is a number that reads the same forwards and backwards. For a four-digit number to be palindromic, the first and last digits must be the same, and the middle two digits must be the same. Therefore, the total number of palindromic numbers between 1000 and 10000 is determined by the number of options for the first two digits (10 options, 1-9 excluding 0) and the last two digits (10 options as well). This gives us a total of 10 * 10 = 100 palindromic numbers between 1000 and 10000.
When are the next two palindromic years?
2112 and 2222
How many palindromic numbers are between 10 and 200?
Well, honey, there are 18 palindromic numbers between 10 and 200. Palindromic numbers are like your favorite guilty pleasure - they read the same forwards and backwards. So next time you see a palindromic number, give it a little wink and a nod for being symmetrical in all the right places.
