# Polite Number Calculator | Staircase Number Calculator

# Step by Step - Staircase Numbers Calculator

An online Polite number calculator for both staircase numbers and trapezoidal numbers.

Detailed Answer

## What is Polite number ?

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

## Examples of 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..