142 (number)

	← 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
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.^[1]

$\frac{142^{1231}-1}{141}$ 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 Admirable-class minesweeper during World War II
USS Clearfield (APA-142) was a United States Navy Haskell-class attack transport during World War II
USS Fessenden (DE-142) was a United States Navy Edsall-class destroyer escort 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 Wickes-class destroyer 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

References

^ Erich Friedman, "What's Special About This Number Archived 2018-02-23 at the Wayback Machine": 142. Accessed 5 JAN 2008.

[1] Erich Friedman, "What's Special About This Number Archived 2018-02-23 at the Wayback Machine": 142. Accessed 5 JAN 2008.

[1]