201 (number)

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← 200 201 202 →
Cardinal two hundred one
Ordinal 201st
(two hundred first)
Factorization 3 × 67
Divisors 1, 3, 67, 201
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.

In mathematics[edit]

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[edit]

  • 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[edit]

In other fields[edit]

  • 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.
  • 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 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 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
  • 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.