192 (number)

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191 192 193
Cardinal one hundred ninety-two
Ordinal 192nd
(one hundred and ninety-second)
Factorization 26× 3
Roman numeral CXCII
Binary 110000002
Ternary 210103
Quaternary 30004
Quinary 12325
Senary 5206
Octal 3008
Duodecimal 14012
Hexadecimal C016
Vigesimal 9C20
Base 36 5C36

192 (one hundred [and] ninety-two) is the natural number following 191 and preceding 193.

In mathematics[edit]

  • 192 is an even number
  • 192 is the sum of ten consecutive primes (5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37)
  • 192 is a composite number, having as its factors 2 × 2 × 2 × 2 × 2 × 2 × 3. Based on this factorization it may also be seen to be a regular number (its only prime factors are 2 and 3).
  • 192 is the smallest number with 14 divisors, namely 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, and 192 itself. It is an abundant number, as the sum of its proper divisors is 316 which is greater than 192, and a practical number (subsets of its divisors can be chosen to add to any number up to 192).
  • Based on its decimal expansion, 192 is a Harshad number (it is divisible by 1 + 9 + 2 = 12) and a happy number (repeatedly summing the squares of its digits leads from 192 to 86 to 100 to 1).

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192 is also:

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