117 (number)
Encyclopedia
117 is the natural number
following 116
and preceding 118
.
(one whose sides are all rational numbers).
117 is a pentagonal number
.
In base 10, it is a Harshad number
.
Natural number
In mathematics, the natural numbers are the ordinary whole numbers used for counting and ordering . These purposes are related to the linguistic notions of cardinal and ordinal numbers, respectively...
following 116
116 (number)
116 is the natural number following 115 and preceding 117.-In mathematics:116 is a noncototient, meaning that there is no solution to the equation , where stands for Euler's totient function. 116! + 1 is prime...
and preceding 118
118 (number)
118 is the natural number following 117 and preceding 119.-In mathematics:There is no answer to the equation φ = 118, making 118 a nontotient.118 is the smallest n such that the range n, n + 1, .....
.
In mathematics
One hundred seventeen is the smallest possible length of the longest side of a Heronian tetrahedronHeronian tetrahedron
A Heronian tetrahedron is a tetrahedron whose side lengths, face areas and volume are all rational numbers. The faces must therefore all be Heronian triangles....
(one whose sides are all rational numbers).
117 is a pentagonal number
Pentagonal number
A pentagonal number is a figurate number that extends the concept of triangular and square numbers to the pentagon, but, unlike the first two, the patterns involved in the construction of pentagonal numbers are not rotationally symmetrical...
.
In base 10, it is a Harshad number
Harshad number
A Harshad number, or Niven number in a given number base, is an integer that is divisible by the sum of its digits when written in that base. Harshad numbers were defined by D. R. Kaprekar, a mathematician from India. The word "Harshad" comes from the Sanskrit + , meaning joy-giver. The Niven...
.
In other fields
One hundred seventeen is also:- The atomic numberAtomic numberIn chemistry and physics, the atomic number is the number of protons found in the nucleus of an atom and therefore identical to the charge number of the nucleus. It is conventionally represented by the symbol Z. The atomic number uniquely identifies a chemical element...
of a recently discovered element temporarily called ununseptiumUnunseptiumUnunseptium is the temporary name of a superheavy artificial chemical element with temporary symbol Uus and atomic number 117. Six atoms were detected by a joint Russia–US collaboration at Dubna, Moscow Oblast, Russia, in 2009–10... - A substitute for the number 1717 (number)17 is the natural number following 16 and preceding 18. It is prime.In spoken English, the numbers 17 and 70 are sometimes confused because they sound similar. When carefully enunciated, they differ in which syllable is stressed: 17 vs 70...
, which is considered unlucky in ItalyItalyItaly , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...
. When RenaultRenaultRenault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...
exported the R17 to Italy, it was renamed R117 - The number to call Guardia di FinanzaGuardia di FinanzaThe Guardia di Finanza is a Italian law enforcement agency under the authority of the Minister of Economy and Finance. Like the Carabinieri, it is part of the Italian Armed Forces. The Guard is essentially responsible for dealing with financial crime and smuggling; it has also evolved into Italy's...
for customs/financial/border police in ItalyItalyItaly , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and... - The fireFireFire is the rapid oxidation of a material in the chemical process of combustion, releasing heat, light, and various reaction products. Slower oxidative processes like rusting or digestion are not included by this definition....
emergency telephone numberEmergency telephone numberMany countries' public telephone networks have a single emergency telephone number, sometimes known as the universal emergency telephone number or occasionally the emergency services number, that allows a caller to contact local emergency services for assistance. The emergency telephone number may...
in PortugalPortugalPortugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the... - 1-1-71-1-7117 is the national emergency telephone number for the Philippines. It is managed by the Department of the Interior and Local Government and is also referred to by its official name, Emergency Network Philippines . Colloquially, it is also called Patrol 117, the name used by the Philippine...
is the national emergency telephone numberEmergency telephone numberMany countries' public telephone networks have a single emergency telephone number, sometimes known as the universal emergency telephone number or occasionally the emergency services number, that allows a caller to contact local emergency services for assistance. The emergency telephone number may...
in the PhilippinesPhilippinesThe Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam... - The policePoliceThe police is a personification of the state designated to put in practice the enforced law, protect property and reduce civil disorder in civilian matters. Their powers include the legitimized use of force...
emergency telephone numberEmergency telephone numberMany countries' public telephone networks have a single emergency telephone number, sometimes known as the universal emergency telephone number or occasionally the emergency services number, that allows a caller to contact local emergency services for assistance. The emergency telephone number may...
in SwitzerlandSwitzerlandSwitzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition.... - The serial number of protagonist John from the Halo Series
See also
- List of highways numbered 117
- National longevity recordholdersNational longevity recordholdersThis is a list of oldest people by nation. It includes the individual, for each given country, who are reported to have had the longest lifespan. Such records can only be determined to the extent that the given country's records are reliable. Comprehensive birth registration largely came into being...
- Oldest people