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  2. 2-6-4 - Wikipedia

    en.wikipedia.org/wiki/2-6-4

    The Lionel Corporation used the 2-6-4 wheel arrangement in many of its model steam locomotives, including the 2037 used in the infamous pastel-coloured Girls' Train. [9] Their 2-6-4 model was based on the Pennsylvania Railroad’s K4 class pacific, even though this was a 4-6-2 rather than a 2-6-4. [10]

  3. List of Mersenne primes and perfect numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_Mersenne_primes...

    So, 6 is a perfect number because the proper divisors of 6 are 1, 2, and 3, and 1 + 2 + 3 = 6. [ 2 ] [ 4 ] There is a one-to-one correspondence between the Mersenne primes and the even perfect numbers, but it is unknown whether there exist odd perfect numbers or not.

  4. Google - Wikipedia

    en.wikipedia.org/wiki/Google

    Then Chairman and CEO Eric Schmidt (left) with co-founders Sergey Brin (center) and Larry Page (right) in 2008. Google LLC (/ ˈ ɡ uː ɡ ə l / ⓘ GOO-ghəl) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial ...

  5. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits. A numbering plan area with multiple area codes is called an overlay. Area codes are also assigned for non-geographic purposes.

  6. ISO 3166-1 alpha-2 - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1_alpha-2

    The Internet Assigned Numbers Authority currently assigns the ccTLDs mostly following the alpha-2 codes, but with a few exceptions. [8] For example, the United Kingdom, whose alpha-2 code is GB, uses .uk instead of .gb as its ccTLD, as UK is currently exceptionally reserved in ISO 3166-1 on the request of the United Kingdom.

  7. January 6 United States Capitol attack - Wikipedia

    en.wikipedia.org/wiki/January_6_United_States...

    On January 6, the "Wild Protest" was organized by Stop The Steal and took place in Area 8, across from the Russell Senate Office Building. [202] On January 6, the "Freedom Rally" was organized by Virginia Freedom Keepers, Latinos for Trump, and United Medical Freedom Super PAC at 300 First Street NE, across from the Russell Senate Office Building.

  8. BR Standard Class 4 2-6-0 - Wikipedia

    en.wikipedia.org/wiki/BR_Standard_Class_4_2-6-0

    Although a BR Standard, the 4 2-6-0 class did not have the same design of wheels as the Swindon-built 82XXX and 77XXX Class 3 engines which also had 5-foot-3-inch (1.600 m) driving wheels, yet all three locomotive classes share the same cylinder casting.

  9. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    Usage: Short scale: US, English Canada, modern British, Australia, and Eastern Europe; Long scale: French Canada, older British, Western & Central Europe; Apart from million, the words in this list ending with -illion are all derived by adding prefixes (bi-, tri-, etc., derived from Latin) to the stem -illion. [11]