146 (number)

146 (one hundred [and] forty-six) is the natural number following 145 and preceding 147.

146 magnetic balls, arranged to show that 146 is an octahedral number

← 145 146 147 →
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Cardinal	one hundred forty-six
Ordinal	146th (one hundred forty-sixth)
Factorization	2 × 73
Divisors	1, 2, 73, 146
Greek numeral	ΡΜϚ´
Roman numeral	CXLVI
Binary	100100102
Ternary	121023
Octal	2228
Duodecimal	10212
Hexadecimal	9216

In mathematics

146 is an octahedral number[1] as well as a composite number.

It is a nontotient since there is no integer with 146 coprimes below it, noncototient since there is no integer with 146 natural numbers below it which are not coprime to it, and an untouchable number since there is no integer whose proper divisors add up to 146.

146 is a repdigit in base 8 (222).

In the military

• USS Aspire (AM-146) was a United States Navy Admirable-class minesweeper during World War II
• USS Collingsworth (APA-146) was a United States Navy Haskell-class attack transport ship during World War II
• USS Elliot (DD-146) was a United States Navy Wickes-class destroyer during World War II
• USS General W. F. Hase (AP-146) was a United States Navy General G. O. Squier-class transport ship during World War II
• Hoga (YT-146) was a United States Navy yard tug during World War II
• USS Inch (DE-146) was a United States Navy Edsall-class destroyer escort during World War II
• The BAe 146 British aircraft
• The Alfa Romeo 146 family car
• The station Calle 146 of the TransMilenio mass-transit system of Bogotá, Colombia
• The SAM146 jet engine manufactured jointly by SNECMA and NPO Saturn

In other fields

146 is also:

• The year AD 146 or 146 BC
• 146 AH is a year in the Islamic calendar that corresponds to 763 – 764 CE
• 146 Lucina is a main belt asteroid
• Sonnet 146
• The song “146 Degrees” from Cinerama's CD “Disco Volante” 2000

See also

• List of highways numbered 146
• United Nations Security Council Resolution 146
• Psalms 146-150

References

1. "Sloane's A005900 : Octahedral numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.