From the archive · #217

A little curiosity.
From the archive.

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August 5, 2026Numbers with StoriesNo account needed · No timer
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Prompt: Named for Ronald Graham, this famously enormous number arose as an upper bound in a Ramsey-theory problem.
Math & LogicA little curiosity
Number · RECALLNamed for Ronald Graham, this famously enormous number arose as an upper bound in a Ramsey-theory problem.Think it. Then flip it.
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  1. 01Named for Ronald Graham, this famously enormous number arose as an upper bound in a Ramsey-theory problem.
  2. 02This term means per hundred and uses the symbol %.
  3. 03Kilo-, milli- and nano- are examples of these unit modifiers.
  4. 04These positive integers equal the sum of their positive divisors excluding themselves; 6 and 28 are examples.
  5. 05Squaring either of these two values gives the same positive number.