211 (number)
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Template:Other uses Template:More citations needed Template:Infobox number
211 (two hundred [and] eleven) is the natural number following 210 and preceding 212. It is also a prime number.
In mathematics
- 211 is the sum of three consecutive primes (), a Chen prime,[1] a centered decagonal prime,[2] and a self prime.[3]
- 211 is the smallest prime separated by 12 from the nearest primes (199 and 223). It is thus a balanced prime[4] and an isolated prime.[5]
- 211 is a repdigit in tetradecimal (111).
- 211 is the 47th prime number and therefore it is a super-prime.[6]
- 211 is the fourth Euclid number, being .[7]