157 (number)

← 156 157 158 →
← 150 151 152 153 154 155 156 157 158 159 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred fifty-seven
Ordinal	157th (one hundred fifty-seventh)
Factorization	prime
Prime	37th
Divisors	1, 157
Greek numeral	ΡΝΖ´
Roman numeral	CLVII
Binary	100111012
Ternary	122113
Senary	4216
Octal	2358
Duodecimal	11112
Hexadecimal	9D16

157 (one hundred [and] fifty-seven) is the number following 156 and preceding 158.

In mathematics

157 is:

• the 37th prime number. The next prime is 163 and the previous prime is 151.
• a balanced prime, because the arithmetic mean of those primes yields 157.
• an emirp.
• a Chen prime.
• the largest known prime p which ${\displaystyle {\frac {p^{p}+1}{p+1}}}$ is also prime. (see OEIS:  A056826 ).
• the least irregular prime with index 2.
• a palindromic number in bases 7 (313₇) and 12 (111₁₂).
• a repunit in base 12, so it is a unique prime in the same base.
• a prime whose digits sum to a prime. (see OEIS:  A046704 ).
• a prime index prime.

In base 10, 157² is 24649, and 158² is 24964, which uses the same digits. Numbers having this property are listed in OEIS:  A072841 . The previous entry is 13, and the next entry after 157 is 913.

The simplest right angle triangle with rational sides that has area 157 has the longest side with a denominator of 45 digits.

In the military

• USCGC Cuyahoga (WIX-157) was a United States Coast Guard cutter built in 1926
• USNS Paoli (T-AO-157) was a United States Navy Type T2 tanker during World War II
• USS Alcona (AK-157) was a United States Navy Alamosa-class cargo ship during World War II
• USS Caravan (AM-157) was a United States Navy Admirable-class minesweeper during World War II
• USS Dickerson (DD-157) was a United States Navy Wickes-class destroyer during World War II
• USS Fechteler (DE-157) was a United States Navy Buckley-class destroyer escort during World War II
• USS General C. C. Ballou (AP-157) was a United States Navy General G. O. Squier-class transport ship during World War II
• USS King County (AG-157) was a United States Navy LST-542-class tank landing ship during World War II
• USS Napa (APA-157) was a United States Navy ship during World War II
• USS Orvetta (IX-157) was a United States Navy transport military ship during World War II
• USS Remlik (SP-157) was a United States Navy yacht during World War I
• ZIL-157 is a 2.5-ton truck produced in post-World War II Russia

In music

• "157 Riverside Avenue" is a song by REO Speedwagon from their debut album, REO Speedwagon in 1971. Its title refers to a Westport, Connecticut address where the band stayed while recording it.
• Piano Sonata No. 1 in E major, D. 157 is a piano sonata in three movements by Franz Schubert.
• "157" is a song by Tom Rosenthal where the lyrics merely consist of the numbers from 1 to 157. The song was released on April Fools' Day, 2020.

In sports

• Ken Carpenter held the US record in discus, and won the NCAA national title with a toss of 157 feet in 1936.
• Steph Curry of the Golden State Warriors holds the NBA record for 157 consecutive games with a 3-point field goal made (from November 13, 2014 to November 4, 2016).

In transportation

• The British Rail Class 157 was the designation for a range of Diesel multiple unit trains of the Sprinter family
• London Buses route 157
• American Airlines Flight 157 from New York City bound for Mexico City crashed on November 29, 1949
• 157th Street (IRT Broadway – Seventh Avenue Line), a New York City Subway station at Broadway in Manhattan served by the 1train
• 157th Street (Manhattan), a street in New York City

In other fields

157 is also:

• The year AD 157 or 157 BC
• 157 AH is a year in the Islamic calendar that corresponds to 773–774 CE
• The atomic number of an element temporarily called Unpentseptium. ^[1]
• 157 Dejanira is a main belt asteroid
• O157, Escherichia coli O157:H7
• Financial Accounting Standards Board Statement No. 157 defines fair value ^[2]
• South Qu'appelle No. 157, Saskatchewan is a rural municipality in Saskatchewan, Canada
• United States Department of State Form DS-157 is Supplemental Nonimmigrant Visa Application ^[3]
• One57, a partially completed skyscraper at 157 West 57th Street in New York City, on which the crane partially collapsed during Hurricane Sandy

See also

• List of highways numbered 157
• United Nations Security Council Resolution 157
• United States Supreme Court cases, Volume 157
• Pennsylvania House of Representatives, District 157
• Township 157-30, Lake of the Woods County, Minnesota

References

1. "FLW Incorporated | Specialists in Physical Measurement, Testing, Calibration & Control".
2. "Summary of Statement No. 157". Archived from the original on 2010-05-23. Retrieved 2008-12-19.
3. "Visa Application Forms". Archived from the original on 2010-05-23. Retrieved 2017-06-24.

External links

• The Number 157
• Prime Curios: 157