154 (number)

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

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 and assumes that .

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 تلتلغWire, named for the number of live gigs Wire had performed at that time^[3]

In the military

• USS Bauxite (IX-154) was a United States Navy Trefoil-class concrete barge during World War II
• USS Candid (AM-154) was a United States Navy Admirable-class minesweeper during World War II
• USS Ellis (DD-154) was a United States Navy Wickes-class destroyer during World War II
• USS General LeRoy Eltinge (AP-154) was a United States Navy General G. O. Squier-class transport during World War II
• USS Lowndes (APA-154) was a United States Navy Haskell-class attack transport during World War II
• USS Sims (DE-154) 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 a 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
• 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
• 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

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

External links

• Virtual Science: Number 154