# 192 (number)

 ← 191 192 193 →
Cardinalone hundred ninety-two
Ordinal192nd
(one hundred ninety-second)
Factorization26× 3
Greek numeralΡϞΒ´
Roman numeralCXCII
Binary110000002
Ternary210103
Quaternary30004
Quinary12325
Senary5206
Octal3008
Duodecimal14012
Vigesimal9C20
Base 365C36

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

## 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 (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).

## 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

192 is also: