219 (number)

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← 218 219 220 →
Cardinal two hundred nineteen
Ordinal 219th
(two hundred and nineteenth)
Factorization 3 × 73
Roman numeral CCXIX
Binary 110110112
Ternary 220103
Quaternary 31234
Quinary 13345
Senary 10036
Octal 3338
Duodecimal 16312
Hexadecimal DB16
Vigesimal AJ20
Base 36 6336

219 (two hundred [and] nineteen) is the natural number following 218 and preceding 220.

Mathematics[edit]

  • 219 is a happy number.[1]
  • Mertens function(219) = 4, a record high.[2]
  • There are 219 partially ordered sets on four labeled elements.[3]
  • 219 is the smallest number that can be represented as a sum of four positive cubes in two different ways.[4]
  • There are 219 different space groups, discrete and full-dimensional sets of symmetries of three-dimensional space or of crystal structures.

See also[edit]

References[edit]