211 (number)
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211 (two hundred [and] eleven) is the natural number following 210 and preceding 212. It is also a prime number.
In mathematics
- 211 is an odd number.
- 211 is a primorial prime, the sum of three consecutive primes (), a Chen prime, a centered decagonal prime, and a self prime.[1]
- 211 is the smallest prime separated by 12 from the nearest primes (199 and 223). It is thus a balanced prime and an isolated prime.[2]
- 211 is a repdigit in tetradecimal (111).
- 211 is the 47th prime number and therefore it is a super-prime. [3]
In other fields
211 is also a nickname for Steel Reserve, a malt liquor alcoholic beverage.
211 is also SMTP status code for system status.