154 (number)

Short description: Natural number

| <- 153  | 154 |  155 ->

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← 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-four
Ordinal| 154th
(one hundred fifty-fourth)
Factorization| 2 × 7 × 11
Divisors| 1, 2, 7, 11, 14, 22, 77, 154
Greek numeral| ΡΝΔ´
Roman numeral| CLIV
Binary| 100110102
Ternary| 122013
Quaternary| 21224
Quinary| 11045
Senary| 4146
Octal| 2328
Duodecimal| 10A12
Hexadecimal| 9A16
Vigesimal| 7E20
Base 36| 4A36

154 (one hundred [and] fifty-four) is the natural number following 153 and preceding 155.

## Contents

* 1 In mathematics
* 2 In music
* 3 In the military
* 4 In sports
* 5 In transportation
* 6 In other fields
* 7 See also
* 8 References
* 9 External links

## In mathematics

154 is a nonagonal number.[1] Its factorization makes 154 a sphenic number

There is no integer with exactly 154 coprimes below it, making 154 a noncototient, nor is there, in base 10, any integer that added up to its own digits yields 154, making 154 a self number

154 is the sum of the first six factorials, if one starts with 0! and assumes that 0!=1.

With just 17 cuts, a pancake can be cut up into 154 pieces (Lazy caterer's sequence).[2]

The distinct prime factors of 154 add up to 20, and so do the ones of 153, hence the two form a Ruth-Aaron pair. 154! + 1 is a factorial prime.

## In music

* 154 is an album by Wire, named for the number of live gigs Wire had performed at that time[3]

## In the military

* missing name was a United States Navy Trefoil-class concrete barge during World War II
* missing name was a United States Navy Admirable-class minesweeper during World War II
* missing name was a United States Navy Wickes-class destroyer during World War II
* missing name was a United States Navy General G. O. Squier-class transport during World War II
* missing name was a United States Navy Haskell-class attack transport during World War II
* missing name was a United States Navy Buckley-class destroyer escort ship during World War II
* Strike Fighter Squadron 154 (VFA-154) is a United States Navy strike fighter squadron stationed at Naval Air Station Lemoore
* Convoy ON-154 was a convoy of ships in December 1942 during World War II

## In sports

* Major League Baseball teams played 154 games per season prior to expansion in 1961
* Golfer Jack Nicklaus played in a record 154 consecutive major championships from the 1957 U.S. Open to the 1998 U.S. Open

## In transportation

* Seattle Bus Route 154[4]
* The Maserati Tipo 154 racecar, also known as 151/4, was produced in 1965

## In other fields

154 is also:

* The year AD 154 or 154 BC
* 154 AH is a year in the Islamic calendar that corresponds to that corresponds to 770 - 771 AD
* 154 Bertha is a dark outer Main belt asteroid
* Ross 154 is a red dwarf star near the southern constellation Sagittarius
* Psalm 154
* Shakespeare’s 154 sonnets, the last being Sonnet 154
* Elcapo No. 154, Saskatchewan is a rural municipality in Saskatchewan, Canada
* The atomic number of an element temporarily called Unpentquadium[5]
* In the United Kingdom , 154 is the telephone number used to report Business Faults with telephone provider BT

## See also

* List of highways numbered 154
* United Nations Security Council Resolution 154
* United States Supreme Court cases, Volume 154

## References

1. ↑ "Sloane's A001106 : 9-gonal (or enneagonal or nonagonal) numbers". OEIS Foundation. https://oeis.org/A001106.
2. ↑ "Sloane's A000124 : Central polygonal numbers (the Lazy Caterer's sequence)". OEIS Foundation. https://oeis.org/A000124.
3. ↑ "154 - Wire". Allmusic. http://www.allmusic.com/album/154-mw0000192482.
4. ↑ "Metro Route 154 Timetable, Weekday". http://transit.metrokc.gov/tops/bus/schedules/s154_0_.html.
5. ↑ "FLW Incorporated | Specialists in Physical Measurement, Testing, Calibration & Control". http://www.flw.com/datatools/periodic/001.php?id=154.

* Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 140 - 141

## External links

* Virtual Science: Number 154

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