Number 3

Reply #2

garyo1954 — Mon, 15 Sep 2014 21:32:56 GMT

Many posts are becoming nothing more than the strange fascination people have with trivial facts and numbers. They keep the forum moving with something to read but often are not posted in the proper forum.

There are several key points in this post.

1. We can add 1 + 2 and arrive at 3. We can't arrive at 67 by adding 51 + 63.

2. Somebody, somewhere wrote a book calling these lucky numbers. We know this because this is quoted from the book.

3. The guy who wrote the book did not play... [ More ]

Reply #1

destinycreation — Mon, 15 Sep 2014 20:57:21 GMT

So What .....

Number 3

Blackapple — Sun, 14 Sep 2014 20:59:10 GMT

3 is the only number which is equal to the sum of all the natural numbers less than it

The first lucky prime. Since lucky numbers are lucky enough to repeatedly appear in this book, let's take a moment to define them. Start with the list of natural numbers: 1, 2, 3, ... , and cross out every second number. The second number not crossed out is 3, so we cross out every third number, leaving 1, 3, 7, 9, 13, 15, .... The third number left is 7, so we cross out every seventh number---rep... [ More ]