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Geometry Question
*December 9, 2009*

*Posted by patchworktortoise in Numbers.*

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Meet Oscar.

His favorite shape is round.

What’s your favorite shape?

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The Number Two
*May 18, 2008*

*Posted by patchworktortoise in Numbers.*

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One of the earliest classification of numbers into groups was on the basis of their divisibility by the number two.

Numbers exactly divisible by two are called even and those that leave a remainder of one when divided by two are called odd.

All numbers belong in one of these two groups.

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Prime Example
*May 12, 2008*

*Posted by patchworktortoise in Numbers.*

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What is special about this number?

170,141,183,460,469,231,731,687,303,715,884,105,727

It’s a prime number, divisible only by itself and one.

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The Number One
*May 7, 2008*

*Posted by patchworktortoise in Numbers.*

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The first idea of number starts with the recognition that there is a difference between one and more than one.

** One** generates all the other numbers by successive additions of itself.

**defines all the other numbers.**

*One*