192 (number)

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 (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[]

• MOA-2007-BLG-192L is a low-mass red dwarf star or brown dwarf hosting an Earth-sized planet, approximately 3,000 light-years away in the constellation of Sagittarius
• 192 Nausikaa is a large main belt asteroid

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[]

• 192d Fighter Wing is a fighter organization of the Virginia Air National Guard located at Langley Air Force Base, Virginia
• 192nd Airlift Squadron unit of the Nevada Air National Guard
• 192nd Battalion, CEF Canadian Expeditionary Force unit during World War I
• 192nd Infantry Brigade former brigade of the United States Army during World War II
• Bristol Type 192 Belvedere was a Royal Air Force twin-engine, tandem rotor military helicopter from 1961 to 1969
• German submarine U-192, German submarine
• No. 192 Squadron was a Royal Air Force squadron during World War I and World War II
• Strike Fighter Squadron 192 (VFA-192) is a United States Navy F/A-18C Hornet fighter squadron at Naval Air Facility Atsugi, Japan
• USNS Henry Eckford (T-AO-192) was a United States Navy Henry J. Kaiser-class fleet replenishment oiler during the 1980s
• USNS Sgt. Sylvester Antolak (T-AP-192) was a United States Navy Boulder Victory-class cargo ship during the Korean War
• USS Eisner (DE-192) was a United States Navy Cannon-class destroyer escort during World War II
• USS Graham (DD-192) was a United States Navy Clemson-class destroyer during World War I
• USS Hummingbird (AMS-192) was a Bluebird-class minesweeper during the Cuban Missile Crisis
• USS Lehigh (AK-192) was a United States Navy Alamosa-class cargo ship during World War II
• USS Rutland (APA-192) was a United States Navy Haskell-class attack transport during World War II
• USS Sailfish (SS-192) was a Sargo-class submarine during World War II
• 192 is the number of Athenians killed at the Battle of Marathon in 490BC according to Herodotus.

In transportation[]

• London Buses route 192
• Greater Manchester bus route 192 is a bus route that has frequent services between Piccadilly Gardens and Hazel Grove.

In other fields[]

192 is also:

• The year AD 192 or 192 BC
• Minuscule 192 is a Greek minuscule manuscript of the New Testament, on parchment
• Iridium-192 is an isotope of iridium

See also[]

• List of highways numbered 192
• United Nations Security Council Resolution 192
• United States Supreme Court cases, Volume 192
• Cheek v. United States, 498 U.S. 192 (1991)
• Pennsylvania House of Representatives, District 192

References[]

External links[]

Wikimedia Commons has media related to 192 (number).

• Number Facts and Trivia: 192
• The Number 192
• Number Gossip: 192
• The Positive Integer 192
• VirtueScience: 192