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ⓘ 130 (number)




130 (number)
                                     

ⓘ 130 (number)

130 is a sphenic number. It is a noncototient since there is no answer to the equation x - φx = 130.

130 is the only integer that is the sum of the squares of its first four divisors, including 1: 1 2 + 2 + 5 2 + 10 2 = 130.

130 is the largest number that cannot be written as the sum of four hexagonal numbers.

130 equals both 2 7 + 2 and 5 3 + 5 and is therefore a doubly strictly adsurd number.

                                     

1. In other fields

One hundred thirty is also:

  • A 130-30 fund or a ratio up to 150/50 is a type of collective investment vehicle
  • The year AD 130 or 130 BC
  • The C130 Hercules aircraft
  • The 130 nanometer process is a semiconductor process technology by semiconductor companies
                                     
  • Loire 130 was a French flying boat that saw service during World War II. It was designed and built by Loire Aviation of St Nazaire. The Loire 130 originated
  • Glycoprotein 130 also known as gp 130 IL6ST, IL6 - beta or CD 130 is a transmembrane protein which is the founding member of the class of all cytokine receptors
  • serialized identification number in compliant with MIL - STD - 130 either when the government buys them or as they re serviced. MIL - STD - 130 standard requires qualifying
  • PZInz 130 was a prototype of Polish amphibious tank of the 1930s. Only a single prototype was built. In the early 1930s Poland was briefly interested
  • 130 136 Piccotts End is a medieval timber framed building in Piccotts End in Hertfordshire, England. Originally a hall house, the structure has been divided
  • Highway 130 AR 130 Ark. 130 and Hwy. 130 is an east west state highway in Arkansas County, Arkansas. Mostly a low - volume, two - lane road, Highway 130 connects
  • twenty - nine is the natural number following 128 and preceding 130 129 is the sum of the first ten prime numbers. It is the smallest number that can be expressed
  • Route 130 is a state highway in the U.S. state of Massachusetts. The southern terminus is at Route 28 in Barnstable. The northern terminus is at Route
  • Martin C - 130 J Super Hercules is a four - engine turboprop military transport aircraft. The C - 130 J is a comprehensive update of the Lockheed C - 130 Hercules

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