142 (number)

← 141 142 143 →
← 140 141 142 143 144 145 146 147 148 149 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred forty-two
Ordinal	142nd (one hundred forty-second)
Factorization	2 × 71
Divisors	1, 2, 71, 142
Greek numeral	ΡΜΒ´
Roman numeral	CXLII
Binary	100011102
Ternary	120213
Senary	3546
Octal	2168
Duodecimal	BA12
Hexadecimal	8E16

142 (one hundred [and] forty-two) is the natural number following 141 and preceding 143.

In mathematics

There is no answer to the equation φ(x) = 142, making 142 a nontotient. There are 142 planar graphs with 6 unlabeled vertices.

${\frac {142^{1231}-1}{141}}$ is the smallest repunit prime in base 142, it has 2648 digits, while the smallest repunit prime in negative base -142 is only 20023. Besides, the smallest Fermat prime in base 142 is 406586897, and the smallest Wieferich prime in base 142 is 143111.

In astrophysics

• 142 Polana is a dark Main belt asteroid
• HD 142 is a 6th magnitude star in the Phoenix constellation

In business and accounting

• Financial Accounting Standards Board’s Summary of Statement No. 142 for reporting acquired goodwill and intangible assets

In chemistry

• The atomic number of Unquadbium, a temporary chemical element

In geography

• Enterprise No. 142, Saskatchewan is a rural municipality in Saskatchewan, Canada
• Stoney 142, 143, 144, Alberta make up an Indian reserve in Alberta, Canada

In media

In literature and publications

• "Sonnet 142" by William Shakespeare

In the military

• 142nd Fires Brigade is an Arkansas artillery brigade in the United States National Guard
• AGM-142 Have Nap air-to-ground missile developed in Israel and the United States
• USS Apex (AM-142) United States Navy Template:Sclass- during World War II
• USS Clearfield (APA-142) was a United States Navy Template:Sclass- during World War II
• USS Fessenden (DE-142) was a United States Navy Template:Sclass- during World War II
• USS General C. H. Muir (AP-142) was a United States Navy General G. O. Squier-class transport ship during World War II
• USS Tarbell (DD-142) was a United States Navy Template:Sclass- during World War I

In music

• TXC142 Drum and Bass producer from the UK
• The song “142” by Crackout on their 2002 This Is Really Neat CD

In timekeeping

• The year AD 142 or 142 BC
• 142 AH is a year in the Islamic calendar that corresponds to 759 – 760 CE

In transportation

• The 142nd Street Junction in the New York City Subway is the confluence of the 2 and ​3 trains.
• The British Rail Class 142 is a class of Pacer diesel multiple units in the United Kingdom
• The Ling-Temco-Vought LTV XC-142 is a tiltwing experimental aircraft designed to investigate takeoffs and landings
• London Buses route 142 is a Transport for London contracted bus route in London
• The Volvo 142 sedan
• The Zlin Z 142 single-engine 2-seater trainer aircraft

In other uses

• Bus 142 (the "Magic Bus"), whose number is clearly visible on the bus that Christopher McCandless lived in until his death in Alaska, features prominently on the bus in the film made about his life called Into the Wild

See also

• List of highways numbered 142
• United Nations Security Council Resolution 142
• United States Supreme Court cases, Volume 142
• Pennsylvania House of Representatives, District 142