189 (number)

← 188 189 190 →
← 180 181 182 183 184 185 186 187 188 189 → List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred eighty-nine
Ordinal	189th (one hundred and eighty-ninth)
Factorization	3^3× 7
Roman numeral	CLXXXIX
Binary	101111012
Ternary	210003
Quaternary	23314
Quinary	12245
Senary	5136
Octal	2758
Duodecimal	13912
Hexadecimal	BD16
Vigesimal	9920
Base 36	5936

189 (one hundred [and] eighty-nine) is the natural number following 188 and preceding 190.

In mathematics

• 189 is an odd number
• 189 is a centered cube number
• 189 is a composite number
• 189 is a deficient number, as 131 is less than 189
• 189 is a heptagonal number
• 189 is a lucky number
• 189 is an ulam number
• 189 is a 64-gonal number
• 189 is a Kaprekar constant in base 2
• Binary: 10111101, a palindromic number that remains unchanged upon reversal of its numbers
• 189 is 3³ × 7
• 189 can written as sum of two cubes in two ways: 4³ + 5³ and 6³ + (-3)³ (If you want these cubes to be positive, it is 1729)
• Divisors of 189: 1, 3, 7, 9, 21, 27, 63, 189

In astronomy

• 189 Phthia is a bright rocky main belt asteroid
• NGC 189 is an open cluster in the Cassiopeia constellation

In geography

• Lumsden No. 189, Saskatchewan in southwestern Saskatchewan, Canada

In the military

• 189th Airlift Squadron is a unit of the Idaho Air National Guard
• 189th Airlift Wing airlift unit, part of the Arkansas National Guard at Little Rock AFB, Arkansas
• 189th Infantry Brigade, an Infantry brigade of the United States Army based at Fort Bragg
• HMAS Pirie (J189) was a Royal Australian Navy Bathurst class corvettes during World War II
• LSMR-189 was a United States Navy landing ship medium during World War II
• No. 189 Squadron RAF was a Royal Air Force squadron during World War I
• USNS John Lenthall (T-AO-189) is a United States Navy Henry J. Kaiser class fleet replenishment oiler
• USNS Lt. Raymond O. Beaudoin (T-AP-189) was a United States Navy troop transport during the Korean War
• USS Bronstein (DE-189) was a United States Navy destroyer escort during World War II
• USS Hidalgo (AK-189) was a United States Navy Alamosa-class cargo ship during World War II
• USS Oxford (APA-189) was a United States Navy Haskell-class attack transport during World War II
• USS Saury (SS-189) was a United States Navy Sargo-class submarine during World War II
• USS Semmes (DD-189) was a United States Navy Clemson-class destroyer during World War II

In music

• The song What a Beautiful Day (2003) by Chris Cagle includes the lyrics, “Day 189. Oh, I almost lost that girl to my foolish pride”

In transportation

• London Buses route 189
• Air Canada Flight 189 flight from Ottawa to Vancouver crashed on takeoff on June 26, 1978
  • USA-189, an experimental satellite launched June 21, 2006
• DB AG electric locomotive class 189, a Siemens EuroSprinter ES64F4

In other fields

189 is also:

• The year AD 189 or 189 BC
• The atomic number of an element temporarily called Unoctennium
• Minuscule 189 is a Greek minuscule manuscript of the New Testament, on parchment

See also

• List of highways numbered 189
• United Nations Security Council Resolution 189
• United States Supreme Court cases, Volume 189
• Pennsylvania House of Representatives, District 189

External links

• Number Facts and Trivia: 189
• Prime curiosities: 189
• The Number 189
• Number Gossip: 189
• VirtueScience: 189

References