Mathematics is often seen as a dry subject, but delve into the world of mathematical constants, and you'll find stories of intrigue, beauty, and profound significance. This curated list of documentaries explores the magic behind numbers like π (pi), e (Euler's number), and the golden ratio, revealing how these constants have shaped our understanding of the universe. From the historical quest for π to the modern applications of the golden ratio in art and architecture, these films offer a captivating journey through the numbers that define our reality.

The Number 23 (2007)
Description: While not strictly a documentary, this film explores the obsession with the number 23, which some believe has mathematical significance, blending fiction with mathematical intrigue.
Fact: The film's title refers to the fact that 23 is the 9th prime number, and 9 is the square root of 81, which is 23 upside-down.


The Man Who Knew Infinity (2015)
Description: While a biographical drama, it highlights the mathematical genius of Srinivasa Ramanujan, who made significant contributions to the theory of numbers, including constants.
Fact: The film was based on the book by Robert Kanigel about Ramanujan's life.


The Code (2009)
Description: Exploring the Fibonacci sequence and its relation to the golden ratio, this documentary illustrates how these numbers appear in nature, art, and even financial markets.
Fact: The film includes a segment on the Fibonacci spiral in the arrangement of seeds in a sunflower.


The Story of Maths (2008)
Description: This series covers the history of mathematics, with episodes dedicated to constants like π, e, and the golden ratio, explaining their discovery and impact.
Fact: The series was presented by Marcus du Sautoy, a renowned mathematician and author.


Pi: The Story of π (2015)
Description: This documentary traces the history of π from ancient civilizations to modern times, exploring its significance in mathematics and its unexpected appearances in nature and art.
Fact: The film includes interviews with mathematicians who have dedicated their lives to calculating π to billions of decimal places.


The Joy of Pi (2012)
Description: A light-hearted exploration of π, this documentary combines humor with mathematical insights, making the concept accessible and entertaining for all viewers.
Fact: The film features a segment where a mathematician recites π to over 1000 decimal places.


The Story of e (2016)
Description: Focused on Euler's number (e), this documentary explains its importance in calculus, finance, and natural growth, showcasing its unique properties and applications.
Fact: The film was produced in collaboration with the Euler Society, dedicated to promoting the legacy of Leonhard Euler.


The Golden Ratio: The Story of Phi (2010)
Description: This film delves into the golden ratio (φ), exploring its presence in art, architecture, and nature, and how it has influenced human creativity and design.
Fact: The documentary includes interviews with artists and architects who use the golden ratio in their work.


The Secret Life of Chaos (2000)
Description: This documentary touches on mathematical constants through the lens of chaos theory, showing how seemingly random events can be governed by simple mathematical rules.
Fact: The film was nominated for a BAFTA for Best Factual Series or Strand.


The Music of the Primes (2010)
Description: This documentary explores the Riemann Hypothesis, which deals with the distribution of prime numbers, a topic deeply connected to mathematical constants.
Fact: The film features interviews with leading mathematicians working on solving the Riemann Hypothesis.
