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# MASTER LIST OF NUMBER PROPERTIES

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Manager
Joined: 15 Nov 2007
Posts: 135
Followers: 1

Kudos [?]: 44 [0], given: 2

MASTER LIST OF NUMBER PROPERTIES [#permalink]

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26 Dec 2007, 00:13
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Hello,

I'd love to see us compile a master list of number properties. Please respond with up to five of your "favorite" number properties. I'll start off with properties of specific integers which many (maybe not all) are familiar with+:

2 | The last digit of the number is even.
3 | The sum of the digits is a multiple of 3.
4 |The last 2 digits of the number are divisible by 4.
5 | The last digit of the number is a five or a zero.
6 | The number being tested must work for the rules of two and three.
8 | The last 3 digits of the number are divisible by 8.
9 | The sum of the digits is a multiple of 9.
10 |The number being tested ends in zero.
11 | (is there a property?)

Dominion
MASTER LIST OF NUMBER PROPERTIES   [#permalink] 26 Dec 2007, 00:13
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