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:
“What people call impartiality may simply mean indifference, and what people call partiality may simply mean mental activity.”
—Gilbert Keith Chesterton (1874–1936)
“The two great points of difference between a democracy and a republic are: first, the delegation of the government, in the latter, to a small number of citizens elected by the rest; secondly, the greater number of citizens and greater sphere of country over which the latter may be extended.”
—James Madison (1751–1836)