|
|
|
|
  |
  Group: Members
Posts: 24 Joined: 6-January 06 Member No.: 16,688  |
Post
#1
 Apr 18 2006, 07:26 AM
The largest triangular number with the same number to have yet been discovered is 666. The First 100 Triangular Numbers 
This post has been edited by rlineker: Apr 18 2006, 10:31 AM 
 
|
|
Group: [MODERATOR]
Posts: 2,711 Joined: 28-May 05 From: Devon, England Member No.: 7,593  myCENT:54.70 |
Post
#2
Apr 18 2006, 08:10 AM
How can 666 possibly be a prime number? A prime number is a number divisible only by itself and 1, and 666 is divisible by 6, 3 and 2, and many other numbers. Do you mean that 666 is the largest triangle number with all the digits the same?
|
|
|
Post
#3
Apr 18 2006, 09:17 AM
QUOTE(rvalkass @ Apr 18 2006, 03:10 AM) [snapback]244296[/snapback] How can 666 possibly be a prime number? A prime number is a number divisible only by itself and 1, and 666 is divisible by 6, 3 and 2, and many other numbers. Do you mean that 666 is the largest triangle number with all the digits the same? haha i had to think twice on that one. i thought i may have forgotten my basic math from 30 years ago....WHEW....anyway, 666 is definately not a prime number. nor is any even # a prime # since they are all automatically divisable by 2 maybe he thought the # 666 was cool to post about and just wanted to increase his credits for webhosting. i am very curious where he got this information from.....
|
|
Group: Members
Posts: 60 Joined: 7-March 06 From: CANADA Member No.: 19,657 |
Post
#4
Apr 18 2006, 05:03 PM
SHENNANIGANS!!!!!!!!!!!!!!!!!!!!!!!!!!!!! anwiii is right... several other #'s in the list are wrong as well.
|
|
Group: [MODERATOR]
Posts: 4,903 Joined: 24-July 05 From: Linux, DOS and Windows…the good, the bad and the ugly Member No.: 9,787 myCENT:81.50 |
Post
#5
Apr 18 2006, 05:08 PM
What is the definition of a Triangular Number? It has been a while since I have studied Math, so there must be a definition I am not aware of.
|
|
Group: [MODERATOR]
Posts: 2,711 Joined: 28-May 05 From: Devon, England Member No.: 7,593 myCENT:54.70 |
Post
#6
Apr 18 2006, 05:25 PM
A triangular number is a number that can be arranged into an equilarteral triangle made up of that number of dots. For example, 3 can be made into a triangle, one dot above 2 dots. The next number is 6, a row of three dots below the previous ones. Wikipedia has some useful information.
|
|
Group: Members
Posts: 54 Joined: 29-March 06 Member No.: 20,954 |
Post
#7
Apr 18 2006, 09:04 PM
Ooooh fun. I love quirky math like that. I'm going to read that wiki info as soon as I get some free time.
|
|
Group: Members
Posts: 25 Joined: 13-February 06 Member No.: 18,586 |
Post
#8
Apr 25 2006, 08:01 PM
Right, I'm confused. Why would a triangular number have to be prime? 6 isn't prime, but it's a triangular number, too, with one dot in the first row, two in the second, and three in the third, to form an equilateral triangle.
|
|
Group: Members
Posts: 290 Joined: 17-December 05 From: Error 404 Member No.: 15,848 |
Post
#9
Apr 26 2006, 07:51 PM
QUOTE(rlineker @ Apr 18 2006, 03:26 AM) [snapback]244280[/snapback] The largest triangular number with the same number to have yet been discovered is 666. The First 100 Triangular Numbers First and foremostly, stop making up facts like "666" being such a thing for the sole sake of being "controversial". Secondly, check your facts. Alot of numbers are wrong there and I believe with today's modern technology and processing power, we'd have a higher triangular number than something in the six-hundred sixties, especially when we're able to genereate many digitted prime numbers as we are capable of doing as of now.
|
|
Group: Members
Posts: 282 Joined: 30-May 05 From: Bangalore Member No.: 7,686 |
Post
#10
Apr 27 2006, 08:09 AM
@misere: A triangular number need not be prime. Whoever made such an assertion?  @Kioku: I don't think the original poster was trying to claim that the hundered numbers listed here are all that are known to mankind *grin* Er... (s)he's probably trying to say that 666 is the largest triangular number to be composed of the same digits, or something like that. How far that is true, however, I have not been able to check *shrug* On the other hand, I don't think it's difficult to generate triangular numbers (if the definition is anything to go by). Definitely looks less trickier than primes, for instance.
|
|
Similar Topics
| Topic Title | Replies | Topic Starter | Views | Last Action | |||
|---|---|---|---|---|---|---|---|
 |
 |
22 | spawn_syxx9 | 11,429 | 16th January 2005 - 08:29 PM Last post by: spawn_syxx9 |
||
 |
2 | Sanguinairius | 3,433 | 7th October 2004 - 04:26 PM Last post by: wassie |
|||
|
 |
0 | Soviet | 649 | 15th October 2007 - 05:18 AM Last post by: Soviet |
||
|
3 | sargilla | 3,891 | 6th January 2005 - 11:25 AM Last post by: sargilla |
|||
|
23 | Xedos | 5,564 | 22nd February 2007 - 09:21 AM Last post by: TypoMage |
|||
|
4 | Amby | 3,454 | 18th February 2005 - 05:54 AM Last post by: XeNoToSs |
|||
|
10 | thek2kid | 4,614 | 16th April 2009 - 09:43 AM Last post by: iG-lester |
|||
|
1 | nitheesh | 505 | 28th August 2007 - 03:30 AM Last post by: jlhaslip |
|||
|
2 | iwuvcookies | 882 | 30th July 2006 - 04:52 PM Last post by: lawmatchmaker |
|||
|
1 | -Gladwin- | 1,625 | 18th December 2004 - 03:46 AM Last post by: -sandman- |
|||
|
4 | beeseven | 3,043 | 18th April 2005 - 12:38 AM Last post by: snlildude87 |
|||
|
63 | lil_chris | 7,977 | 1st June 2007 - 01:33 AM Last post by: itrainmonkeys |
|||
|
3 | kvarnerexpress | 3,290 | 7th December 2008 - 06:39 PM Last post by: iG-Ahmad Sheeraz Saeed |
|||
|
8 | Inspiron | 1,591 | 5th January 2007 - 03:03 AM Last post by: michaelper22 |
|||
|
11 | Cain | 1,461 | 24th June 2006 - 07:12 AM Last post by: AlternativeNick |
|||
|
Open Discussion | Time is now: 6th November 2009 - 09:35 PM |
Web Hosting Powered by ComputingHost.com.
