Page Summary: Simon Anthony (from Cracking the Cryptic) reveals the Phistomephel Ring - a hidden feature of ALL Sudoku puzzles. Professor Laurence Eaves on Pythagorean Primes - and why 5, 13 and 137 are three of his favourites!?

87 539 319 Numberphile -

Simon Anthony (from Cracking the Cryptic) reveals the Phistomephel Ring - a hidden feature of ALL Sudoku puzzles. Professor Laurence Eaves on Pythagorean Primes - and why 5, 13 and 137 are three of his favourites!? More links & stuff in full description below ↓↓↓ Some notes from Matt on how ...

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  • Simon Anthony (from Cracking the Cryptic) reveals the Phistomephel Ring - a hidden feature of ALL Sudoku puzzles.
  • Professor Laurence Eaves on Pythagorean Primes - and why 5, 13 and 137 are three of his favourites!?
  • More links & stuff in full description below ↓↓↓ Some notes from Matt on how ...
  • Prime numbers, Ulam Spirals and other cool numbery stuff with Dr James Grime.
  • More links & stuff in full description below ↓↓↓ John Conway videos: ...

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