207 (two hundred
ndseven) is the
natural number
In mathematics, the natural numbers are those numbers used for counting (as in "there are ''six'' coins on the table") and ordering (as in "this is the ''third'' largest city in the country").
Numbers used for counting are called ''cardinal ...
following
206 and preceding
208
Year 208 ( CCVIII) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Geta (or, less frequently, year 961 ''Ab urbe condita' ...
. It is an odd
composite number
A composite number is a positive integer that can be formed by multiplying two smaller positive integers. Equivalently, it is a positive integer that has at least one divisor other than 1 and itself. Every positive integer is composite, prime, ...
with a
prime factorization of
.
In Mathematics
207 is a
Wedderburn-Etherington number. There are exactly 207 different
matchstick graph
In geometric graph theory, a branch of mathematics, a matchstick graph is a Graph (discrete mathematics), graph that can be Graph drawing, drawn in the plane in such a way that its edges are line segments with length one that do not cross each ...
s with eight edges.
207 is also a
deficient number
In number theory, a deficient number or defective number is a number ''n'' for which the sum of divisors of ''n'' is less than 2''n''. Equivalently, it is a number for which the sum of proper divisors (or aliquot sum) is less than ''n''. For ex ...
, as 207's proper divisors (divisors not including the number itself) only add up to
105 105 may refer to:
*105 (number), the number
*AD 105, a year in the 2nd century AD
*105 BC, a year in the 2nd century BC
* 105 (telephone number)
* 105 (MBTA bus)
* 105 (Northumberland) Construction Regiment, Royal Engineers, an English military unit ...
:
See also
*
Peugeot 207
The Peugeot 207 is a supermini car ( B) that was designed and produced by the French automaker Peugeot from 2006 to 2014. It was presented at the Geneva Motor Show in 2006, and entered production in April 2006, as the successor to the Peugeo ...
*
List of highways numbered 207
References
Integers
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