273 (two hundred
ndseventy-three) 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
272 and preceding
274
Year 274 (Roman numerals, CCLXXIV) was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelianus and Capitolinus (or, less frequently, year 1027 ''Ab urbe condita''). The d ...
.
273 is a
sphenic number
In number theory, a sphenic number (from , 'wedge') is a positive integer that is the product of three distinct prime numbers. Because there are infinitely many prime numbers, there are also infinitely many sphenic numbers.
Definition
A sphenic ...
, a
truncated triangular pyramid number and an
idoneal number.
There are 273 different
ternary tree
:
In computer science, a ternary tree is a tree data structure in which each node has at most three child nodes, usually distinguished as "left", “mid” and "right". Nodes with children are parent nodes, and child nodes may contain reference ...
s with five nodes.
References
Integers
{{Num-stub