208 (two hundred
ndeight) is the
natural number
In mathematics, the natural numbers are the numbers 0, 1, 2, 3, and so on, possibly excluding 0. Some start counting with 0, defining the natural numbers as the non-negative integers , while others start with 1, defining them as the positive in ...
following
207
Year 207 (Roman numerals, CCVII) was a common year starting on Thursday of the Julian calendar. At the time, it was known in Rome as the Year of the Consulship of Maximus and Severus (or, less frequently, year 960 ''Ab urbe condita''). The deno ...
and preceding
209.
208 is a
practical number,
a
tetranacci number, a rhombic matchstick number, a
happy number
In number theory, a happy number is a number which eventually reaches 1 when the number is replaced by the sum of the square of each digit. For instance, 13 is a happy number because 1^2+3^2=10, and 1^2+0^2=1. On the other hand, 4 is not a happy ...
, and a member of
Aronson's sequence.
There are exactly 208 five-bead
necklaces
A necklace is an article of jewellery that is worn around the neck. Necklaces may have been one of the earliest types of adornment worn by humans. They often serve Ceremony, ceremonial, Religion, religious, magic (illusion), magical, or Funerar ...
drawn from a set of beads with four colors,
and 208 generalized weak orders on three labeled points.
[.]
References
Integers
{{Number-stub