Do You Know Polite Number?

Polite numbers are numbers that can be expressed as the sum of two or more consecutive positive integers. The power of two is often related to polite numbers because every power of two can be expressed as the sum of consecutive positive integers. For example, 2^1 = 2 = 1 + 1, 2^2 = 4 = 2 + 1 + 1, 2^3 = 8 = 4 + 2 + 1 + 1, and so on. This pattern holds true for all powers of two, making it the correct answer.

The Lambek-Moser theorem explains impolite numbers.

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To determine the politeness of a number, four steps are involved. These steps include finding all possible combinations of consecutive numbers that add up to the given number, starting with the smallest possible combination. Then, calculating the sum of each combination and checking if it is equal to the given number. If it is, the combination is considered polite. Finally, counting the number of polite combinations to determine the politeness of the number.

The number -9 is not a positive number because it is a negative number. Positive numbers are greater than zero, while negative numbers are less than zero. In this case, all the other options (12, 9, and 8) are positive numbers because they are greater than zero.

A polite number is a number that can be expressed as the sum of two or more consecutive positive integers. In this case, all the numbers except 8 can be expressed as the sum of consecutive positive integers. For example, 12 can be expressed as 5 + 6 + 7, 13 can be expressed as 6 + 7, and 11 can be expressed as 5 + 6. However, 8 cannot be expressed as the sum of consecutive positive integers, making it the only number that isn't a polite number.

A polite number is a positive integer that can be expressed as the sum of two or more consecutive positive integers. To find the polite numbers between 0 and 51, we can start by checking each number from 1 to 51. We can express each number as the sum of consecutive positive integers and count the numbers that satisfy this condition. By doing this, we find that there are 44 numbers that can be expressed as the sum of consecutive positive integers between 0 and 51. Therefore, the correct answer is 44 polite numbers.

Even numbers are insignificant in determining polite numbers because polite numbers are a type of number that can be expressed as the sum of consecutive positive integers. Even numbers are not always the sum of consecutive positive integers, as they can also be the sum of consecutive negative integers or a combination of positive and negative integers. Therefore, even numbers do not play a significant role in determining polite numbers.

Euler is the correct answer because he did not study the problems of polite numbers. The question is asking which of the given individuals did not study polite numbers, and Euler is the only option who did not.

The question is asking for the politeness of the number 9. In this context, politeness refers to the number of divisors that a number has. The number 9 has 3 divisors: 1, 3, and 9. Therefore, the answer is 2, as it is the option that correctly represents the politeness of 9.