Английская Википедия:1289 (number)

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Шаблон:Infobox number The number 1289 (twelve hundred eighty-nine) is the natural number following 1288 and preceding 1290.[1]

In mathematics

The 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]

In technology

  • 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.

Historical years

Notes

  1. 1,0 1,1 1,2 1,3 1,4 1,5 "Number Gossip: 1289", March 2008, webpage: Numbergossip-1289.
  2. "Apocalyptic Number -- from Wolfram MathWorld", Mathworld.Wolfram.com, August 2010, webpage: MW-Apoc.