# Math Help - Number of different partitions

1. ## Number of different partitions

Find the number of different partitions of a set having 5 elements.

2. ## Re: Number of different partitions

Originally Posted by alexmahone
Find the number of different partitions of a set having 5 elements.
You are looking for the fifth BELL NUMBER.

3. ## Re: Number of different partitions

Originally Posted by Plato
You are looking for the fifth BELL NUMBER.
Thanks. Could you show me how to compute it?

4. ## Re: Number of different partitions

Originally Posted by alexmahone
Thanks. Could you show me how to compute it?
The computation is right there on that page.
You must learn to do some of your own work.
Find $B_5$.