Number:1089 (Meta, no ontology)
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| - | '''1089''' is [[what you get]] when you take any [[three]]-digit number and add it to the same number in [[reverse]]. Why? Because it's the [[square]] of [[33]]. | + | '''1089''' is [[what you get]] when you take any [[three]]-digit [[number]] and add it to the same number in [[reverse]]. Why? Because it's the [[square]] of [[33]]. |
| - | [[ | + | Amazingly, it's also the first number which, when multiplied by [[9]], becomes a reversed copy of itself (i.e. [[9,801]]). [http://www.youtube.com/watch?v=qNjhLjJXflY] |
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Latest revision as of 22:41, 16 April 2012
1089 is what you get when you take any three-digit number and add it to the same number in reverse. Why? Because it's the square of 33.
Amazingly, it's also the first number which, when multiplied by 9, becomes a reversed copy of itself (i.e. 9,801). [1]
