139 (number)

← 138 139 140 →
← 130 131 132 133 134 135 136 137 138 139 → List of numbers; Integers; ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred thirty-nine
Ordinal	139th; (one hundred thirty-ninth)
Factorization	prime
Prime	34th
Divisors	1, 139
Greek numeral	ΡΛΘ´
Roman numeral	CXXXIX
Binary	100010112
Ternary	120113
Senary	3516
Octal	2138
Duodecimal	B712
Hexadecimal	8B16

139 (one hundred [and] thirty-nine) is the natural number following 138 and preceding 140.

In mathematics

139 is the 34th prime number. It is a twin prime with 137. Because 141 is a semiprime, 139 is a Chen prime. 139 is the smallest prime before a prime gap of length 10.^[1]

This number is the sum of five consecutive prime numbers (19 + 23 + 29 + 31 + 37).

It is the smallest factor of 64079 which is the smallest Lucas number with prime index which is not prime. It is also the smallest factor of the first nine terms of the Euclid–Mullin sequence, making it the tenth term.

139 is a happy number^[2] and a strictly non-palindromic number.^[3]

In the military

RUM-139 VL-ASROC is a United States Navy ASROC anti-submarine missile
USS Agent (AM-139) was a United States Navy Admirable-class minesweeper during World War II
USS Broadwater (APA-139) was a United States Navy Haskell-class attack transport during World War II
USS Farquhar (DE-139) was a United States Navy destroyer during World War II
USS General R. E. Callan (AP-139) was a United States Navy transport ship during World War I and World War II
USS Octorara (IX-139) was a tanker loaned to the Soviet Union during World War II, then returned to the United States in 1944
USS Pavo (AK-139) was a United States Navy cargo ship during World War II
USS Salem (CA-139) was a United States Navy Des Moines-class heavy cruiser following World War II
USS Ward (DD-139) was a United States Navy Wickes-class destroyer during World War II

In transportation

British Rail Class 139 is the TOPS classification assigned to the lightweight railcars by West Midlands Trains on the Stourbridge Town Branch Line
Fiat M139 platform is the next-generation premium rear wheel drive automobile platform from Fiat
London Buses route 139 is a Transport for London contracted bus route in London

In other fields

139 is also:

The year AD 139 or 139 BC
139 AH is a year in the Islamic calendar that corresponds to 756 – 757 CE.
139 Juewa is a large and dark main belt asteroid discovered in 1874
The atomic number of untriennium, an unsynthesized chemical element
Gull Lake No. 139 is a rural municipality in Saskatchewan, Canada
Sonnet 139 by William Shakespeare
139 Rb Gahhie is a village in Chak Jhumra Tehsil in the Punjab province of Pakistan
Miss 139 was a 1921 film starring Diana Allen and Marc McDermott
Motorola C139 model cellphone

References

^ Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 139
^ "Sloane's A007770 : Happy numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.
^ "Sloane's A016038 : Strictly non-palindromic numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.

External links

Psalm 139

[1] Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 139

[2] "Sloane's A007770 : Happy numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.

[3] "Sloane's A016038 : Strictly non-palindromic numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-27.

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