201 (number)

Number|number = 201
range = 200s
cardinal = two hundred [and] one
ordinal = st
ordinal text = two hundred [and] first
numeral = 201
factorization = $3\; imes\; 67$
prime =
divisor = 1, 3, 67, 201
roman = CCI
unicode =
greek prefix =
latin prefix =
bin = 11001001
oct =
duo =
hex = C9
misc =

201 is the natural number following 200 and preceding 202. It may be written as "two hundred one" or "two hundred and one".

In mathematics

As the two factors of 201 are both Gaussian primes, 201 is a Blum integer.

201 is a Harshad number in base 10.

In computing

* 201 is an HTTP status code indicating success of a POST command, with the textual part of the response line indicating the URL by which the newly created document should be known.

In astronomy

* 201 is a Saros cycle; the next solar eclipse in this cycle is predicted to take place in AD 3223. [http://sunearth.gsfc.nasa.gov/eclipse/SEcat/SE3201-3300.html] .
* The New General Catalogue object NGC201 is a magnitude 15 spiral galaxy in the constellation Cetus [http://www.astro.washington.edu/west/rc3/951.html] .
* 201 Penelope is a large Main belt asteroid discovered in 1879.

In other fields

* HTTP status code 201 indicates the success of a POST command, with the textual part of the response line indicating the URI by which the newly created document should be known.
* 201 in binary (11001001) is the title of an episode of "".
* Area code 201 is the area code assigned to northern New Jersey in the United States.
* 201 is the course number of basic or entry-level courses at some Canadian universities (such as the University of Calgary and Athabasca University), especially if the number 101 is allocated to remedial courses.
* 201 is also short for 201 Poplar, the jail in Memphis, Tennessee, and alluded to in many rap songs from Memphis artists.
* in Philippine employment, a 201 file is a file detailing an employee's history and records with a particular employer