207 (two hundred
ndseven) 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
206
Year 206 ( CCVI) was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Umbrius and Gavius (or, less frequently, year 959 ''Ab urbe condita''). The denomination 206 for this y ...
and preceding
208. It is an odd
composite number
A composite number is a positive integer that can be formed by multiplying two smaller positive integers. Accordingly it is a positive integer that has at least one divisor other than 1 and itself. Every positive integer is composite, prime numb ...
with a
prime factorization
In mathematics, integer factorization is the decomposition of a positive integer into a product of integers. Every positive integer greater than 1 is either the product of two or more integer factors greater than 1, in which case it is a comp ...
of
.
In Mathematics
* 207 is a
Wedderburn-Etherington number.
* There are exactly 207 different
matchstick graphs with eight edges.
* 207 is a
deficient number
In number theory, a deficient number or defective number is a positive integer for which the sum of divisors of is less than . Equivalently, it is a number for which the sum of proper divisors (or aliquot sum) is less than . For example, th ...
, 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), the emergency telephone number in Mongolia
* 105 (MBTA bus), a Massachusetts Bay Transport Authority ...
:
.
References
Malls
Integers
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