Main content
![](https://ichef.bbci.co.uk/images/ic/640x360/p0b8trth.jpg)
Episode 1
Simon Singh investigates the history of the most special numbers in maths. 1/5. One is the root of all counting.
Last on
Mon 30 Jul 2007
15:45
大象传媒 Radio 4 FM
More episodes
Previous
You are at the first episode
Next
Broadcast
- Mon 30 Jul 2007 15:45大象传媒 Radio 4 FM