In recreational mathematics, a Keith number or repfigit number (short for repetitive Fibonacci-like digit) is a number in the following integer sequence:
- 14, 19, 28, 47, 61, 75, 197, 742, 1104, 1537, 2208, 2580, ....
Keith numbers were introduced by Mike Keith in 1987. They are computationally very challenging to find, with only about 100 known.
Read more about Keith Number: Introduction, Definition, Finding Keith Numbers, Examples, Keith Clusters
Famous quotes containing the words keith and/or number:
“I see in you also there are movements, tremors, tears, desire for
the melodious,
I salute your three violinists, endlessly making vibrations,
Rigid, relentless, capable of going on for ever;”
—Gilbert Keith Chesterton (18741936)
“The said truth is that it is the greatest happiness of the greatest number that is the measure of right and wrong.”
—Jeremy Bentham (17481832)