- Who invented palindrome numbers?
- What is racecar spelled backwards?
- How many 3 digit numbers are there?
- What is the greatest possible four digit palindrome that is a multiple of 6?
- How many palindromic numbers are there?
- When numbers are the same forwards and backwards?
- What is the probability of guessing a 6 digit number?
- How many 6 digit numbers can be formed using the digits 1 to 6?
- How many different 6 digit palindromes can be formed using the digits 7/8 or 9?
- Are all six digit palindromes divisible by 11?
- How many odd 4 digits are palindromes?
- What is the probability of getting 3 digit palindromes?
- Are all palindromes divisible by 11?
- How many combinations of 6 numbers are there in 59?
- How do you calculate palindromes?
- How many 7 digit palindromes are there?
- What is the smallest 4 digit palindrome?
- How many combinations are there in a 6 digit number?

## Who invented palindrome numbers?

Sotades the obscene of MaroneaSotades the obscene of Maronea (3rd century BC) is credited with inventing the palindrome.

Though today only eleven lines of his works still remain, he is thought to have recast the entire Illiad as palindromic verse..

## What is racecar spelled backwards?

A palindrome is a word, number, phrase, or other sequence of characters which reads the same backward as forward, such as madam, racecar. …

## How many 3 digit numbers are there?

How many 3 digit numbers are there? There are a total of 900 three-digit numbers.

## What is the greatest possible four digit palindrome that is a multiple of 6?

8778When we get to 8778, we see that the digit-sum is 30, which is divisible by 3. Therefore, 8778 is the largest four-digit palindrome divisible by 6.

## How many palindromic numbers are there?

{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}. There are 9 palindromic numbers with two digits: {11, 22, 33, 44, 55, 66, 77, 88, 99}. There are 90 palindromic numbers with three digits (Using the Rule of product: 9 choices for the first digit – which determines the third digit as well – multiplied by 10 choices for the second digit):

## When numbers are the same forwards and backwards?

A palindrome is a word, sentence, verse, or even number that reads the same backward or forward. It derives from Greek roots that literally mean “running back” (palin is “again, back,” and dromos, “running.”) The word appears to have been created in English based on these roots in the early 1600s.

## What is the probability of guessing a 6 digit number?

So the combination can be 000000 or 999999, or anything in between. Since the odds of getting each digit is 1/10, you multiply 1/10 by itself 6 times. There’s literally a one in a million chance of guessing the PIN correctly.

## How many 6 digit numbers can be formed using the digits 1 to 6?

As all 6 digit numbers formed with 1 to 6 digits(without repetition) are divisible by 3 and numbers with 6 at the unit place are even. This gives us total of 5 x 4 x 3 x 2 x 1 = 120 numbers.

## How many different 6 digit palindromes can be formed using the digits 7/8 or 9?

For suppose abc are the first 3 digits we have cba as the rest of digits which makes it a palindrome. Given only 3 digits (7,8,9) and 3 places we can make 3*3*3 different numbers i.e., 27.

## Are all six digit palindromes divisible by 11?

If this is the case, not only is our six-digit palindrome divisible by 11, but every even digit palindrome is, since we will be able to convert, as above, all even digit palindromes into a sum of terms, such that each term is a multiple of a number of the form 100… 001, with even number of zeros.

## How many odd 4 digits are palindromes?

How many odd, 4-digit numbers are palindromes? Bunuel, In between we can put 00-99, so there is 100 number.

## What is the probability of getting 3 digit palindromes?

You can think of this as “there are 100 numbers between 0-99 and 1000 numbers between 0-999, then subtracting 100 from 1000 since we starts at 100 (skipping 0-99).” Using the chance of the event (a 3 digit palindrome) / the number of possible 3 digit numbers we get the probability. So, 90/900.

## Are all palindromes divisible by 11?

All 4-digit palindromes are divisible by 11.

## How many combinations of 6 numbers are there in 59?

45,057,474The number of combinations possible with 6 numbers between 1 and 59 is 45,057,474.

## How do you calculate palindromes?

So, for example, if your alphabet consists of the 26 lowercase letters a-z, and you want a string with 9 characters, then N=26 and the string has length 2k+1 with k=4; therefore the number of possible palindromes is 265=11,881,376.

## How many 7 digit palindromes are there?

668There are 668 prime palindromes with seven digits.

## What is the smallest 4 digit palindrome?

2112The Number 2112 is meeting all the criteria. It’s a Palindrome, it’s divisible by 4 and since we started at the lower end, it is also the smallest 4 Digit palindrome. Thus, 2112 is the required answer.

## How many combinations are there in a 6 digit number?

1 million possible combosBut with a six digit code, there are 1 million possible combos, making it a lot tougher for someone to crack your security code. If you are currently using a four digit PIN and update your software, you will need to manually opt in for the six digit PIN.