201 (number)

Short description: Natural number

| <- 200  | 201 |  202 ->

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← 200 201 202 203 204 205 206 207 208 209 →

List of numbers — Integers

← 0 100 200 300 400 500 600 700 800 900 →

Cardinal| two hundred one
Ordinal| 201st
(two hundred first)
Factorization| 3 × 67
Divisors| 1, 3, 67, 201
Greek numeral| ΣΑ´
Roman numeral| CCI
Binary| 110010012
Ternary| 211103
Quaternary| 30214
Quinary| 13015
Senary| 5336
Octal| 3118
Duodecimal| 14912
Hexadecimal| C916
Vigesimal| A120
Base 36| 5L36

201 (two hundred [and] one) is the natural number following 200 and preceding 202.

## Contents

* 1 In mathematics
* 2 In computing
* 3 In astronomy
* 4 In other fields

## 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 a new resource was successfully created in response to the request, with the textual part of the response line indicating the URL of the newly created document.

## In astronomy

* 201 is a Saros cycle; the next solar eclipse in this cycle is predicted to take place in AD 3223.[1].
* The New General Catalogue object NGC201 is a magnitude 15 spiral galaxy in the constellation Cetus[2].
* 201 Penelope is a large Main belt asteroid discovered in 1879.

## In other fields

* A 201 file is a set of documents maintained by the US government for members of the Armed Forces. It is also referred to as the Official Military Personnel File.
* 201 in binary (11001001) is the title of an episode of Star Trek: The Next Generation.
* 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 Canada 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
* The 201 Class diesel locomotive used by Iarnród Éireann and NI Railways.
* The 201 series is a Japanese commuter train type
* The EMI 201 television camera use in the 1960s
* "201" is the title of an episode of South Park.
* Event 201, a pandemic exercise

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