Learn Polite,Impolite,Staircase Number

 What do you mean by Polite,Impolite,Staircase Number in mathematics?

Define Polite Number

Polite number is a positive integer that can be written as the sum of 2 or more consecutive positive integers.

Define Impolite Number

Other than Polite numbers are called as Impolite Numbers.

Define Staircase Number

Polite numbers have also been called Staircase Numbers.

Example - Polite Numbers

3, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50 etc..

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