Samiksha Jaiswal (Editor)

178 (number)

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178
  
179 →

Divisors
  
1, 2, 89, 178

Factorization
  
2 × 89

Roman numeral
  
CLXXVIII

Cardinal
  
one hundred seventy-eight

Ordinal
  
178th (one hundred and seventy-eighth)

178 (one hundred [and] seventy-eight) is the natural number following 177 and preceding 179.

Contents

In mathematics

  • 178 is a deficient number, as 92 is less than 178
  • 178 is a semiprime, a product of two primes, namely 2 and 89
  • 178 is a square-free number
  • 178 is the sum of 2 square numbers: (13)2 + (3)2
  • 178 is a 31-gonal number
  • 178 is a digitally balanced number, as its binary number (10110010) has an equal number of zeros and ones
  • 178 is palindromic in 3 consecutive bases = 4546 = 3437 = 2628

    • In astronomy

  • 178 Belisana is a rocky main belt asteroid
  • 178P/Hug-Bell is a periodic comet in our solar system
  • Arp 178 is a triplet of galaxies, in the constellation Boötes: NGC 56, NGC 5614, and NGC 5615

    • In computing

  • DO-178B, Software Considerations in Airborne Systems and Equipment Certification is a guidance for software development
  • INTEGRITY-178B is a royal-free ARINC 653–compliant real-time operating system

    • In the military

  • 178th Battalion, CEF unit in the Canadian Expeditionary Force during World War I
  • 178th Airlift Squadron unit of the North Dakota Air National Guard
  • Blohm & Voss P.178 was an experimental jet-powered dive bomber during World War II
  • Panhard 178 was an advanced French reconnaissance 4x4 armoured car during World War II
  • USNS Flyer (T-AG-178) was a U.S. Navy miscellaneous auxiliary, bathymetric Survey Ship during World War II
  • USNS Frederick Funston (T-AP-178) was a U.S. Navy Frederick Funston-class attack transport ship during World War II
  • USS Fairfield (AK-178) was a U.S. Navy Alamosa-class cargo ship during World War II
  • USS Herzog (DE-178) was a U.S. Navy Cannon class destroyer escort during World War II
  • USS Hogan (DD-178) was a U.S. Navy Wickes class destroyer during World War II
  • USS Lander (APA-178) was a Haskell-class attack transport during World War II
  • USS Permit (SS-178) was a U.S. Navy Porpoise-class submarine during World War II
  • USS Tunica (ATA-178) was a U.S. Navy Sotoyomo-class auxiliary fleet tugboat during World War II

    • In transportation

  • Heinkel He 178 was the world's first aircraft to fly under turbojet power
  • 178th-179th Street Tunnels are defunct vehicular tunnels in Upper Manhattan
  • List of highways numbered 178

    • In other fields

    178 is also:

  • The year AD 178 or 178 BC
  • 178 AH is a year in the Islamic calendar corresponds to 794 – 795 CE
  • The atomic number of an element temporarily called Unseptoctium
  • Minuscule 178 is a Greek minuscule manuscript of the New Testament

    • References

    178 (number) Wikipedia
    (Text) CC BY-SA


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