5 Numbers

Simon Singh uncovers the mathematical, social and scientific history of five numbers.

Episodes

SeriesEpisodeTitleFirst
Broadcast
RepeatedComments
01Zero2001092520020311

He begins with zero, from the zeroes of the mathematicians to the void of the philosophers.

02Pi2001100220020312

He looks at pi - the ratio of a circle's circumference to its diameter.

03The Golden Ratio2001100920020313

He explores the secrets of the golden ratio, 1 to 1.6, which turns up throughout science, maths and nature.

04I2001101620020314

He considers the mysterious imaginary number i, the square root of -1.

05 LASTInfinity2001102320020315

He concludes his investigation with a look at infinity.

0101Zero2001092520020311

He begins with zero, from the zeroes of the mathematicians to the void of the philosophers.

0102Pi2001100220020312

He looks at pi - the ratio of a circle's circumference to its diameter.

0103The Golden Ratio2001100920020313

He explores the secrets of the golden ratio, 1 to 1.6, which turns up throughout science, maths and nature.

0104I2001101620020314

He considers the mysterious imaginary number i, the square root of -1.

0105 LASTInfinity2001102320020315

He concludes his investigation with a look at infinity.