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From Wikipedia, the free encyclopedia

211 (two hundred [and] eleven) is the natural number between 210 and 212. It is also a prime number.

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In mathematics

211 is an odd number.

211 is a primorial prime, sum of three consecutive primes (67 + 71 + 73), Chen prime, centered decagonal prime, and self prime.[1]

211 is a repdigit in base 14 (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).

In other fields

2-1-1 is special abbreviated telephone number reserved in Canada and the United States as an easy-to-remember three-digit telephone number meant to provide quick information and referrals to health and human service organizations for both services from charities and from governmental agencies.

211 is also associated with E211, the preservative sodium benzoate

211 is also the California Penal Code[2] section defining robbery. Sometimes it is paired with 187, 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 alcoholic beverage.

211 is also SMTP status code for system status.

+211 is the code for international direct-dial phone calls to South Sudan.

See also


  1. ^ "Sloane's A006378 : Prime self numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28. 
  2. ^ [1] Shouse California Law Group
This page was last edited on 7 April 2018, at 18:31
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