Numberphile

A Problem with Rectangles – Numberphile

Science · July 31, 2021

161

Infinitely Many Touching Circles – Numberphile

Science · November 17, 2021

162

The Plotting of Beautiful Curves (Euler Spirals and Sierpiński Triangles) – Numberphile

Science · February 1, 2022

163

How to write 100,000,000,000,000 poems – Numberphile

Science · May 3, 2022

164

An Integration Conundrum – Numberphile

Science · October 19, 2022

165

The Prime Race (with 3Blue1Brown) – Numberphile

Science · February 23, 2023

166

The Freshman’s Dream (a classic mistake) – Numberphile

Science · July 16, 2024

167

Way Bigger Than Graham’s Number (Goodstein Sequence) – Numberphile

Science · November 26, 2024

168

A Problem with Infinite Hotel Keys – Numberphile

Science · May 16, 2025

169

06:06

Fifth Root Trick – Numberphile

Science · February 15, 2014

1 146 825

170

08:52

Poincaré Conjecture – Numberphile

Science · April 23, 2014

1 573 950

171

15:26

Fundamental Theorem of Algebra – Numberphile

Science · July 9, 2014

1 110 250

172

05:07

Brady Numbers – Numberphile

Science · September 22, 2014

569 250

173

07:24

Perfect Numbers and Mersenne Primes – Numberphile

Science · January 6, 2015

256 750

174

09:10

Looking at Perfect Shuffles – Numberphile

Science · March 25, 2015

161 925

175

06:49

The man with 1,000 Klein Bottles UNDER his house – Numberphile

Science · June 22, 2015

1 703 575

176

07:04

The 8 Queen Problem – Numberphile

Science · August 21, 2015

949 175

177

07:36

Unexpected Shapes – Numberphile

Science · November 18, 2015

376 500

178

09:34

Calculator Unboxing #6 (Staples collection) – Numberphile

Science · February 19, 2016

302 450

179

03:41

Money Catching – Numberphile

Science · May 13, 2016

499 750

180

16:12

Stars and Bars (and bagels) – Numberphile

Science · July 25, 2016

135 775

181

04:19

Lace Knot Trick – Numberphile

Science · October 10, 2016

199 975

182

09:11

Mathematics: Beauty vs Utility – Numberphile

Science · January 19, 2017

271 950

183

08:24

The 10,958 Problem – Numberphile

Science · April 18, 2017

1 370 775

184

09:27

Large Gaps between Primes – Numberphile

Science · July 19, 2017

319 950

185

09:00

The Enormous TREE(3) – Numberphile

Science · October 19, 2017

679 975

186

08:25

Calculating a Car Crash – Numberphile

Science · January 17, 2018

304 100

187

17:32

The Math (and money) of Soccer Stickers – Numberphile

Science · April 26, 2018

105 325

188

10:12

21-card trick – Numberphile

Science · July 11, 2018

55 050

189

11:44

Spheres and Code Words – Numberphile

Science · October 28, 2018

166 725

190

14:27

All the Numbers – Numberphile

Science · March 4, 2019

861 000

191

15:14

Necklace Splitting (a lesson for jewel thieves) – Numberphile

Science · June 18, 2019

203 175

192

32:11

Darts in Higher Dimensions (with 3blue1brown) – Numberphile

Science · November 17, 2019

102 800

193

16:38

Superhero Triangles – Numberphile

Science · January 28, 2020

81 900

194

09:20

3 Ways to Draw Squares Inside Triangles – Numberphile

Science · March 22, 2020

68 050

195

Beautiful Trigonometry – Numberphile

Science · June 16, 2020

196

2.920050977316 – Numberphile

Science · November 26, 2020

197

Nightingale Diagrams – Numberphile

Science · March 18, 2021

198

Mathematics is all about SHORTCUTS – Numberphile

Science · August 8, 2021

199

How to make railway timetables (with graphs) – Numberphile

Science · November 21, 2021

200