In mathematics, a polite number is a number that can be expressed as the sum of two integers that follows each other on the number line. Polite numbers can be even or odd numbers. While others can not, some numbers can be expressed as the sum of smaller numbers in more than one ways. Do you know these numbers? See more
Trapezoidal number
Prime number
Special number
Odd number
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Trapezoidal numbers
Staircase numbers
Odd numbers
Even numbers
3
4
5
2
5
2
4
3
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Through its factors
Through its multiples
Through its odd divisors
Through its even divisors
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21
18
5
9
Odd numbers
Even numbers
Prime numbers
Staircase numbers
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Bar graphs
Pie charts
Young diagram
Venn diagram
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Even factors
Odd factors
Prime factors
Highest common factors
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