132 number - In mathematics: Encyclopedia II - 132 number - In mathematics132 is a Catalan number, a Harshad number, a pronic number.
If you take the sum of all 2-digit numbers you can make from 132, you get 132: 12 + 13 + 21 + 23 + 31 + 32 = 132. 132 is the smallest number with this property. But there is no number that, when added up to its own digits, adds up to 132, making it a self number.
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