The number 1289 is called an apocalyptic power because 21289 contains the consecutive digits 666 (in decimal), as the Number of the beast: in the sequence ..., 1281, 1285, 1286, 1289, 1290, 1298, 1301, etc.[1][2]
The number 1289 is an evil number because it has an even number of 1's contained in its binary expansion.[1]
In technologyedit
1289 is a 4.5 volt battery with 3 "B Size" cells in flat side-by-side format with brass-strip connections, also known as MN1203, 3LR12 and many other IEC "R12" variations. Used in Rear cycle lamps, hand torches and in pairs in many Continental European Radio models.
^ abcdef "Number Gossip: 1289", March 2008, webpage: Numbergossip-1289.
^ "Apocalyptic Number -- from Wolfram MathWorld", Mathworld.Wolfram.com, August 2010, webpage: MW-Apoc.
April 10, 2024
1289, number, number, 1289, twelve, hundred, eighty, nine, natural, number, following, 1288, preceding, 1290, 1288, 1289, 1290, list, numbersintegers, cardinalone, thousand, hundred, eighty, nineordinal1289th, thousand, hundred, eighty, ninth, factorizationpri. The number 1289 twelve hundred eighty nine is the natural number following 1288 and preceding 1290 1 1288 1289 1290 List of numbersIntegers 0 1k 2k 3k 4k 5k 6k 7k 8k 9k Cardinalone thousand two hundred eighty nineOrdinal1289th one thousand two hundred eighty ninth FactorizationprimePrimeyesGreek numeral ASP8 Roman numeralMCCLXXXIXBinary101000010012Ternary12022023Senary55456Octal24118Duodecimal8B512Hexadecimal50916 Contents 1 In mathematics 2 In technology 3 Historical years 4 NotesIn mathematics editThe number 1289 is an odd prime number following 1283 and preceding 1291 1 It is classified as an apocalyptic power a deficient number and an evil number 1 The number 1289 is called an apocalyptic power because 21289 contains the consecutive digits 666 in decimal as the Number of the beast in the sequence 1281 1285 1286 1289 1290 1298 1301 etc 1 2 The number 1289 is a deficient number because the sum of all its positive divisors except itself totals less than 1289 1 Compare with perfect and abundant numbers The number 1289 is an evil number because it has an even number of 1 s contained in its binary expansion 1 In technology edit1289 is a 4 5 volt battery with 3 B Size cells in flat side by side format with brass strip connections also known as MN1203 3LR12 and many other IEC R12 variations Used in Rear cycle lamps hand torches and in pairs in many Continental European Radio models Historical years edit1289 AD 1289 BC Notes edit a b c d e f Number Gossip 1289 March 2008 webpage Numbergossip 1289 Apocalyptic Number from Wolfram MathWorld Mathworld Wolfram com August 2010 webpage MW Apoc Retrieved from https en wikipedia org w index php title 1289 number amp oldid 1118707209, wikipedia, wiki, book, books, library,
