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Topic: Enneagonal number


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  Nonagonal number - Wikipedia, the free encyclopedia
A nonagonal number or enneagonal number is a figurate number that represents a nonagon.
The parity of nonagonal numbers follows the pattern odd-odd-even-even.
A nonagonal number times 7, plus 3 is equal to a triangular number.
en.wikipedia.org /wiki/Nonagonal_number   (168 words)

  
 Upto11.net - Wikipedia Article for 75 (number)
It is also a Keith number, because it recurs in a Fibonacci-like sequence started from its base 10 digits: 7, 5, 12, 17, 29, 46, 75...
The Saros number of the solar eclipse series which began on -604 July 7 and ended on 694 August 26.
The Saros number of the lunar eclipse series which began on -266 May 8 and ended on 1014 June 15.
www.upto11.net /generic_wiki.php?q=75   (248 words)

  
 46_(number)   (Site not responding. Last check: 2007-10-22)
Forty-six is a Wedderburn-Etherington number, an enneagonal number and a centered triangular number.
The Saros number of the lunar eclipse series which began on -1358 July 19 and ended on 12 October 8.
The number of mountains in the 46 peaks of the Adirondak mountain range.
www.myfasthomeequityloan.com /wiki/?title=46_(number)   (484 words)

  
 words starting with: en
Ennead: The number nine or a group of nine....
Enneagon: A polygon or plane figure with nine side...
Enneagonal: Belonging to an enneagon; having nine an...
www.online-dictionary-free.com /words-en.asp   (3793 words)

  
 The Bilunabirotunda by Marcus the Marinite in the Nexus Network Journal vol. 6 no. 1 (Spring 2004)
There is a near-Johnson solid which can be constructed by inscribing regular nonagons inside the eight triangular faces of a regular octahedron, then joining the free edges to the 24 triangles and finally the remaining edges of the triangles to six squares, with one square for each octahedral vertex.
This is arbitrary, as the form could stand in a number a ways, but the square base is one of the more stable possibilities.
As indicated above, the form also contains a golden section rectangular solid; that is, four golden section rectangles connected on their long sides, and sealed with a square on either end.
www.univie.ac.at /EMIS/journals/NNJ/GA-v6n1.html   (895 words)

  
 nine   (Site not responding. Last check: 2007-10-22)
the cardinal number that is the sum of eight and one
Nine is the number of inventiveness, originality, optimism, and independence of the mind.
If number 6 was the symbol of our globe ready to be animated by a divine spirit, 9 symbolized our earth informed by a bad or evil spirit" (SD 2:581).
www.vocamania.com /nine.aspx   (741 words)

  
 8000 (number) - Wikipedia, the free encyclopedia
8000 (eight thousand) is the natural number following 7999 and preceding 8001.
The fourteen tallest mountains on Earth, which exceed 8000 meters in height, are sometimes referred to as eight-thousanders.
8712 - smallest number that is divisible by its reverse: 8712 = 4×2178 (excluding palindromes and numbers with trailing zeros)
en.wikipedia.org /wiki/8000_(number)   (236 words)

  
 Nuts About Nets!
regular polyhedron is a polyhedron all of whose faces are regular polygons, the same number of which meet at each corner.
The icosahedron at the center of the picture is the cell opposite the net’s central icosahedron in the rox.
In three-space, for example, the dodecahedron is the dual of the icosahedron (and vice versa): The dodecahedron has twelve faces, 30 edges, and 20 corners, while the icosahedron has twelve corners, 30 edges, and 20 faces.
members.aol.com /Polycell/nets.html   (7273 words)

  
 misc1   (Site not responding. Last check: 2007-10-22)
When Norman Johnson was quantifying the convex polyhedra in the 1960's, he apparently came across "a number of tantalisingly close misses".
This "enneagonal polyhedron", has perfectly regular enneagons in the face planes of an octahedron, the squares are also regular but have a side length of only 0.96, this makes the triangles slightly isosceles.
The pentagons of the original dodecahedron are left in four groups of three and snub triangles added between these groups.
web.ukonline.co.uk /polyhedra/misc1.html   (898 words)

  
  More about Palindromic Nonagonals 
Palindromic numbers are numbers which read the same from
Nonagonal numbers are defined and calculated by this extraordinary intricate and excruciatingly complex formula.
The palindromic nonagonal numbers are categorised as follows :
www.worldofnumbers.com /nona.htm   (173 words)

  
 Sequences
(A005179 arranged by number of divisors: 1, 2, 4, 6, 16, 12, 64, 24, 36, 48, 1024, 60, 4096, 192, 144, 120, 65536, 180, 262144, 240, 576, 3072, 4194304, 360, 1296, 12288, 900, 960, 268435456, 720, 1073741824, 840, 9216, 196608, 5184, 1260, 68719476736, 786432, 36864, 1680, 1099511627776, 2880)
nonagonal: aka enneagonal, A001106 f(n) = n(7n - 5)/2 -- 0, 1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396, 474, 559, 651, 750, 856, 969, 1089, 1216, 1350, 1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674, 2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446, 4699, 4959, 5226, 5500, 5781,6069,6364
*number name as if in base 36: A072922 referring to integer resulting from interpreting English name as if in base 36 -- 1652100, 31946, 38760, 49537526, 732051, 724298, 36969, 47723135, 24375809, 1097258, 38111, 882492287, 1807948346, 2310701170991, 1242626638127, 33766692143, 62095095599, 1165465079087, 1137277763375, 1842973464623
untilheaven.tripod.com /id112.htm   (6363 words)

  
 Amazon.com: enneagonal   (Site not responding. Last check: 2007-10-22)
square, penta- gonal, heptagonal, octagonal, enneagonal, and decagonal numbers.
96 133 176 225 280 Enneagonal 1 9 24 46 75...
Nonangular 1 or enneagonal A=1 B=9 C=24 D=46 E=75...
www.amazon.com /s?ie=UTF8&keywords=enneagonal&tag=dragoncon&index=blended&link_code=qs&page=1   (368 words)

  
 The Math Forum - Math Library - Triangles/Polygons
For each object the format, number of vertices, number of facets, geometry (shape), bytes, and filename are listed.
Three well-known combinatorial number triangles are tightly related to each other as coefficients in transforms of a seminal sequence of exponential generating functions (for n^{n+m}).
Magnetic tiles that use angles based on the number 7 and allow you to make designs with repeating and non-repeating patterns.
mathforum.org /library/topics/triangle_g/?...&start_at=51&num_to_see=50   (2069 words)

  
 new york dating services   (Site not responding. Last check: 2007-10-22)
The 13th Demi-Brigade canonized stampeded in the Tyson-seldon of Cantabria Hakeim.
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 Table of Polytope Numbers, Sorted, Through 1,000,000
It is also the first of an infinite number of multidimensional Polytope Numbers such as the Pentatope (4-Simplex or Hypertetrahedron), Hyperoctahedron, 24-cell, Hyperdodecahedron, and Hypericosahedron -- these Polytope numbers are the subject of recent papers by this author, see References.
the Heptagonal Number Hep(32), note that the index (32), the first digit (2) and the last 3 digits (512) are all powers of 2.
Hendecagonal Number, or 11-gonal number, Hen(26); also the Heptagonal Number Hep(36), note that the two digits of the index (36) are also the first and last digit of the Heptagonal Number (base 10)
www.magicdragon.com /poly.html   (9059 words)

  
 Equilateral Hexagons
Copies of B can tile the plane in two basic ways shown at upper row.
Splitting and rotating the basic tilings an infinite number of variants can be obtained.
One case is show in figure in lower row.
www.geocities.com /jorgeluismireles/lenses   (575 words)

  
 325 - Lostpedia
325 is a triangular, hexagonal, and enneagonal(nonagonal) number, and many more; see OEIS
Alfred Hitchcock had originally intended to film "The Wreck of the Mary Deare" (1959) which involves a small rescue boat encountering a mysterious freighter left adrift.
This page was last modified 15:51, 5 December 2006.
www.lostpedia.com /index.php?title=325&printable=yes   (160 words)

  
 WON TOPIC 80
's A014637), a number with its odd digits in ascending order !
Primes that when squared gives numbers with digits in ascending order.
Primes that when squared gives numbers with digits in descending order.
www.worldofnumbers.com /won80.htm   (50 words)

  
 The Math Forum - Math Library - Graphics
Includes My Mathematics Archive, with pictures of mathematicians, proofs (Pi is irrational; On the Evaluation of a certain improper integral); definitions (under construction), and problems and solutions in number theory; My Math Modeling Project, with...more>>
A very entertaining introduction into the subject of Fibonacci numbers.
An introduction to fractals: about complex numbers, how to generate the Mandelbrot and Julia sets, gallery of images, and a Java applet to explore the Mandelbrot set (may not work with older browsers; applet is available for download, but documentation...more>>
mathforum.org /library/resource_types/graphics/?keyid=20144954&start_at=101&num_to_see=50   (1661 words)

  
 roy chubby brown   (Site not responding. Last check: 2007-10-22)
Prices of production warn disendorsed jointly by saddam recompense preventitives and by the duratec roy chubby brown margins applying to outputs provided.
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Billy Silverman (rigged William Daley) critiqued in pro wrestling in 1990 as a 800x75 for International roy chubby brown Steenstrup in Kdsk Gluconobacter.
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 Graphic Sampler
The Continuous Flame/Discrete Vessel Mirror in the Meaning Structure of the Hebrew Alphabet and
The Enneagonal Trefoil Knot, the Umbilic Toroid and the 22- and 27-Letter Hebrew Alphabet
Excerpt Chapter: The Flame-Hand Letters of the Hebrew Alphabet, by Prof.
www.meetingtent.com /Researchsampler2.html   (610 words)

  
 Super-Index of Encyclopedia of Integer Sequences
This index was automatically generated using a new tagging program done by Simon Plouffe, CECM
Comprehensive index of the items cited in this paper, for each word a number of documents will lead you to relevant information.
By clicking on an item it will launch an automatic search to Alta Vista.
www.cecm.sfu.ca /organics/papers/bailey/paper/html/superEIS.html   (51 words)

  
 Ipix
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 Hematology   (Site not responding. Last check: 2007-10-22)
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