- The term
figurate number is used by
different writers for
members of
different sets of
numbers,
generalizing from
triangular numbers to
different shapes...
-
figurate numbers, the
Fibonacci sequence,
transcendental numbers, the
Metonic cycle, combinatorics, the
complex plane, nimbers, and
surreal numbers....
- in an
infinite sequence of
numbers in
decimal whose digits start with 1 and have
trailing 9's, that form
triangular numbers containing trailing zeroes...
-
notable numbers and
articles about notable numbers. The list does not
contain all
numbers in
existence as most of the
number sets are infinite.
Numbers may...
- with the sum
between the
smallest number that is the sum of two
abundant numbers, and the
largest that is not (24, 46). 70 is the
tenth Erdős–Woods number...
-
Partition numbers Pn 1, 1, 2, 3, 5, 7, 11, 15, 22, 30, 42, ... The
partition numbers,
number of
additive breakdowns of n. A000041
Fibonacci numbers F(n) 0...
-
equilateral triangle.
Triangular numbers are a type of
figurate number,
other examples being square numbers and cube
numbers. The nth
triangular number is...
-
natural number greater than 1 that is not a
product of two
smaller natural numbers. A
natural number greater than 1 that is not
prime is
called a composite...
- of the two
elements that
precede it.
Numbers that are part of the
Fibonacci sequence are
known as
Fibonacci numbers,
commonly denoted Fn . Many writers...
-
function for p = 2 {\displaystyle p=2} . The
origin of
happy numbers is not clear.
Happy numbers were
brought to the
attention of Reg
Allenby (a
British author...