my-server
Home
Login
← Wiki
165 (number)
165
(
one hundred [and] sixty-five
) is the
natural number
following
164
and preceding
166
.
In mathematics
165
is:
an
odd number
, a
composite number
, and a
deficient number
.
a
sphenic number
.
a
tetrahedral number
.
the number of prime knots with 10 crossings.
the sum of the sums of the divisors of the first 14
positive integers
.
a
self number
in
base 10
.
a
palindromic number
in
binary
(10100101<sub>2</sub>) and bases 14 (BB<sub>14</sub>), 32 (55<sub>32</sub>) and 54 (33<sub>54</sub>).
a
unique period
in base 2.
the number of Wikipedias (including closed and deleted ones).
References
External links
Number Facts and Trivia: 165
The Number 165
The Positive Integer 165
VirtueScience: 165