211 (two hundred
ndeleven) is the
natural number
In mathematics, the natural numbers are those numbers used for counting (as in "there are ''six'' coins on the table") and ordering (as in "this is the ''third'' largest city in the country").
Numbers used for counting are called '' cardinal ...
following
210
Year 210 ( CCX) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Faustinus and Rufinus (or, less frequently, year 963 ''Ab urbe condita ...
and preceding
212. It is also a
prime number
A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only way ...
.
In mathematics
211 is an
odd number.
211 is a
primorial prime, sum of three consecutive
prime
A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only way ...
s (67 + 71 + 73),
Chen prime,
centered decagonal prime, and
self prime.
211 is the smallest prime separated by 10 or more from the nearest primes (199 and 223). It is thus a balanced prime and an ''isolated prime''.
211 is a
repdigit in
base 14
There are many different numeral systems, that is, writing systems for expressing numbers.
By culture / time period
By type of notation
Numeral systems are classified here as to whether they use positional notation (also known as place-value ...
(111).
Multiplying its digits, it is still a prime (2), and adding its digits, it is square (4). Rearranging its digits, 211 becomes 121, which also is a square. Adding any two of its digits will be prime (2 or 3).
211 is a super-prime.
In science and technology
2-1-1
2-1-1 is a special abbreviated telephone number reserved in the North American Numbering Plan (NANP) as an easy-to-remember three-digit code to reach information and referral services to health, human, and social service organizations.
Like the ...
is special abbreviated telephone number reserved in Canada and the United States as an easy-to-remember three-digit telephone number. It is meant to provide quick information and referrals to health and human service organizations for both services from charities and from governmental agencies.
In chemistry, 211 is also associated with E211, the preservative
sodium benzoate.
In religions
In Islam, Sermon 211 is about the strength and greatness of Allah.
In other fields
211 is also the
California Penal Code
The Penal Code of California forms the basis for the application of most criminal law, criminal procedure, penal institutions, and the execution of sentences, among other things, in the American state of California. It was originally enacted ...
section defining
robbery
Robbery is the crime of taking or attempting to take anything of value by force, threat of force, or by use of fear. According to common law, robbery is defined as taking the property of another, with the intent to permanently deprive the perso ...
.
It is sometimes paired with
187
Year 187 ( CLXXXVII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Quintius and Aelianus (or, less frequently, year 940 ''Ab urbe c ...
, California PC section for
murder.
211 is also an EDI (
Electronic data interchange) document known as an Electronic Bill of Lading.
211 is also a nickname for
Steel Reserve, a
malt liquor
Malt liquor is a type of mass market beer with high alcohol content, most closely associated with North America. Legally, it often includes any alcoholic beverage with 5% or more alcohol by volume made with malted barley. In common usage, it re ...
alcoholic beverage.
211 is also
SMTP
The Simple Mail Transfer Protocol (SMTP) is an Internet standard communication protocol for electronic mail transmission. Mail servers and other message transfer agents use SMTP to send and receive mail messages. User-level email clients typic ...
status code for system status.
+211 is the code for international direct-dial phone calls to
South Sudan
South Sudan (; din, Paguot Thudän), officially the Republic of South Sudan ( din, Paankɔc Cuëny Thudän), is a landlocked country in East Africa. It is bordered by Ethiopia, Sudan, Central African Republic, Democratic Republic of the ...
.
See also
*
211 Crew
211 Crew is a white supremacist prison gang, active both in and out of prison, that was formed in 1995 at Colorado, Colorado's Denver County Jail. It was linked to several high-profile murders and criminal investigations. Those included the assass ...
References
Integers
{{num-stub
ca:Nombre 210#Nombres del 211 al 219