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Topic: Centered heptagonal number

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	What's Special About This Number?
		is the number of planar partitions of 10.
		is the number of planar partitions of 11.
		is the number of planar partitions of 12.
	www.stetson.edu /~efriedma/numbers.html (7306 words)

	Centered Polygonal Numbers (Site not responding. Last check: 2007-10-21)
		The first few centered triangle numbers are 1, 4, 10, 19, 31, 46, 64, 85, 109, 136, 166, 199, 235, 274, 316, 361, 409, 460, 514, 571, 631, 694, 760, 829, 901, 976, 1054, 1135, 1219, 1306, 1396, 1489, 1585, 1684, 1786, 1891, 1999, 2110, 2224, 2341, 2461, 2584, 2710, 2839, 2971...
		The first few centered pentagonal numbers are 1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276, 331, 391, 456, 526, 601, 681, 766, 856, 951, 1051, 1156, 1266, 1381, 1501, 1626, 1756, 1891, 2031, 2176, 2326, 2481, 2641, 2806, 2976...
		The first few centered hexagonal numbers are 1, 7, 19, 37, 61, 91, 127, 169, 217, 271, 331, 397, 469, 547, 631, 721, 817, 919, 1027, 1141, 1261, 1387, 1519, 1657, 1801, 1951, 2107, 2269, 2437, 2611, 2791, 2977, 3169, 3367, 3571, 3781, 3997, 4219, 4447, 4681, 4921, 5167, 5419, 5677, 5941, 6211, 6487...
	www.virtuescience.com /centered-polygonal.html (850 words)

	Informat.io on Centered Heptagonal Number
		A centered heptagonal number is a centered figurate number that represents a heptagon with a dot in the center and all other dots surrounding the center dot in successive heptagonal layers.
		Centered heptagonal numbers alternate parity in the pattern odd-even-even-odd.
		A centered heptagonal prime is a centered heptagonal number that is prime.
	www.informat.io /?title=centered-heptagonal-number (126 words)

	Prime Curios!: 43
		There exist three different two-digit prime numbers such that the average of all three is 43 and the average of any two is also prime.
		43 is the fourth Centered Heptagonal (7-gonal) Number.
		Technetium (atomic number 43) is a crystalline metallic element and the first to be produced artificially.
	primes.utm.edu /curios/page.php/43.html (890 words)

	55 (number) (Site not responding. Last check: 2007-10-21)
		Fifty-five is a heptagonal number, a centered nonagonal number, and a triangular number, made up of the numbers 1 to 10 added up, and it is also the sum of the squares of the integers 1 to 5.
		It is also a Fibonacci number (the largest Fibonacci number to also be a triangular number) and a Kaprekar number.
		The number of delegates who attended the Constitutional Convention.
	www.gogoglo.com /wiki/en/wikipedia/5/55/55__number_.html (182 words)

	Recycling Center (Site not responding. Last check: 2007-10-21)
		Switching center - A switching center is a node in a telecommunications Circuit switching network which is connected to either another switching center and/or to end user devices.
		Centered heptagonal number - A centered heptagonal number is a centered figurate number that represents a heptagon with a dot in the center and all other dots surrounding the center dot in successive heptagonal layers.
		Centered hexagonal number - A centered hexagonal number, or hex number is a centered figurate number that represents a hexagon with a dot in the center and all other dots surrounding the center dot in a hexagonal lattice.
	www.mercy-allyourcare.org /recyclingcenter.html (1081 words)

	Upto11.net - Wikipedia Article for 1000 (number)
		1000 is the natural number following 999 and preceding 1001.
		;1381 - centered pentagonal number ;1387 - super-Poulet number, decagonal number ;1395 - vampire number ;1404 - heptagonal number ;1405 = 26^2 + 27^2 = 7^2 + 8^2 +...
		In the decimal expansion of $e$ , the first time all 10 digits appear in sequence starts at the 1729th decimal place.
	www.upto11.net /generic_wiki.php?q=1000 (143 words)

	Thousand Oaks Jobs
		For the techno single by Moby, see Thousand (single).
		1000 is the natural number following 999 and preceding 1001.Prefixes for 1000 include chilia- (Greek) and mill- (Latin).
		1080 - pentagonal number 1081 - triangular number 1086 - Smith number 1089 - 33^2, nonagonal number, centeredoctagonal number 1092- divisible by the number of primes below it 1093 - star number 1103 - Sophie Germain prime 1104 - Keith number 1105 - Carmichael number, magic constant of nxn magic square an...
	www.altvetmed.com /face/46949-thousand-oaks-jobs.html (396 words)

	India, Indian States, India States, Indian hotels, Indian News and Indian Tourism, India Travel
		1540 - triangular number, hexagonal number, decagonal number, tetrahedral number
		1791 - largest natural number that cannot be expressed as a sum of at most four hexagonal numbers.
		1891 - triangular number, hexagonal number, centered pentagonal number
	delhiindia.com /wiki-1000_(number) (1874 words)

	2000 (NUMBER) FACTS AND INFORMATION (Site not responding. Last check: 2007-10-21)
		2000 (two thousand) is the natural number following 1999 and preceding 2001.
		Two thousand is the highest number expressible using only two unmodified characters in roman numerals (MM).
		In ''Star Trek'', the registry number of the USS Excelsior, NX-2000 in ''Star Trek III: The Search for Spock'', and NCC-2000 commanded by Hikaru Sulu in ''Star Trek VI: The Undiscovered Country''.
	www.feefriend.com /2000_(number) (384 words)

	Brujula.Net - Your Latin Stating Point (Site not responding. Last check: 2007-10-21)
		A number is an abstract entity used to describe
		fractions; the set of all rational numbers is denoted by Q. If all infinite and non-repeating decimal expansions are included, one obtains the real numbers R. Those real numbers which are not rational are called irrational numbers.
		The real numbers are in turn extended to the complex numbers C in order to be able to solve all algebraic equations.
	www.brujula.net /english/wiki/Category:Numbers.html (113 words)

	Informat.io on 5000 (Site not responding. Last check: 2007-10-21)
		5000 (five thousand) is the natural number following 4999 and preceding 5001.
		5188 - φ(5189) = 2592, centered heptagonal number
		5777 - smallest counterexample to the conjecture that all odd numbers are of the form p + 2a
	www.informat.io /?title=5000 (148 words)

	Table of Figurate Numbers, Sorted, Through 10,000 (Site not responding. Last check: 2007-10-21)
		Hendecagonal Number, or 11-gonal number, Hen(16), hence the Heterogeneous Jonathan Number Hen(S(4))
		Hendecagonal Number, or 11-gonal number, Hen(25), hence the Heterogeneous Jonathan Number Hen(S(5))
		the 18-gonal Number 18gon(25), hence the Heterogeneous Jonathan Number 18gon(S(5))
	www.magicdragon.com /fig.html (10985 words)

	function, first, pronic, square, magic, nonagonal, heptagonal, tetrahedral, octagonal, highly, octahedral, natural, ... (Site not responding. Last check: 2007-10-21)
		Also number of digits in the decimal expansion of 1000!, or the product of all natural numbers from 1 to 1000.
		* 2970 - harmonic divisor number, pronic number
		Dieser Artikel basiert auf dem Artikel 2000 (number) aus der freien Enzyklo.
	www.alphasearch.org /2000-number.html (964 words)

	9000 (number) (Site not responding. Last check: 2007-10-21)
		9000 (number)
		9000 (nine thousand) is the natural number following 8999 and preceding 9001.
		Selected numbers in the range 9001 - 9999
	www.infoforyou.org /input.php?title=9000_(number) (169 words)

	heptagonal - OneLook Dictionary Search
		We found 11 dictionaries with English definitions that include the word heptagonal:
		Tip: Click on the first link on a line below to go directly to a page where "heptagonal" is defined.
		Phrases that include heptagonal: heptagonal number, centered heptagonal number, heptagonal pentagonal, heptagonal triangle
	www.onelook.com /?w=heptagonal (117 words)

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