Prime Curios!: 167

167
(another Prime Pages' Curiosity)

Curios:

Index
Keywords
Home
Glossary
The book!
Previous
Next
Random

Curios Search: Participate:

Mail Editor
Submit Curio
Prime Puzzio
Test Number

Single Curio View: (Seek other curios for this number)

It is conjectured that every positive integer may be written as the sum of seven nonnegative cubes except these seventeen: {15, 22, 23, 50, 114, 167, 175, 186, 212, 231, 238, 239, 303, 364, 420, 428, 454}. This conjecture has been tested to 10³⁴ and proven for numbers divisible by four. [Caldwell]

Submitted: 2009-03-27 06:27:46; Last Modified: 2009-03-27 14:39:31.