192 (number)

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

← 191 192 193 →
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Cardinalone hundred ninety-two
Ordinal192nd
(one hundred ninety-second)
Factorization26 × 3
Greek numeralΡϞΒ´
Roman numeralCXCII
Binary110000002
Ternary210103
Octal3008
Duodecimal14012
HexadecimalC016

In mathematics
  • 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 (as 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
  • 192 is an abundant number, as the sum of its proper divisors (i.e., 319) is greater than 192
  • 192 is 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)

In astronomy

In computing
  • 192.168 is the starting IP Address of a private network, a network that uses private IP address space, following the standards set by RFC 1918 and RFC 4193
  • The Advanced Encryption Standard, in cryptography, is an encryption standard adopted comprises three block ciphers, AES-128, AES-192 and AES-256
  • The search engine 192.com offers searches for people or businesses

In the military

In transportation

In other fields

192 is also:

See also

References
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