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  2. Toll-free telephone numbers in the North American Numbering ...

    en.wikipedia.org/wiki/Toll-free_telephone...

    Toll-free telephone numbers in the North American Numbering Plan. Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing ...

  3. 988 (telephone number) - Wikipedia

    en.wikipedia.org/wiki/988_(telephone_number)

    988 (telephone number) 988 (sometimes written 9-8-8) is a telephone number used in some North American (NANP) countries for a suicide prevention helpline. In the United States, it is known as the 988 Suicide & Crisis Lifeline (formerly the National Suicide Prevention Lifeline and the number 1-800-273-8255 ). In Canada, it is known as the 9-8-8 ...

  4. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the well ...

  5. Marine Wing Support Squadron 174 - Wikipedia

    en.wikipedia.org/wiki/Marine_Wing_Support...

    Commanding Officer. LtCol Matthew Schultz. Marine Wing Support Squadron 174 (MWSS-174) is an aviation ground support unit of the United States Marine Corps .The squadron is based out of Marine Corps Air Station Kaneohe Bay, Hawaii and falls under the command of Marine Aircraft Group 24 and the 1st Marine Aircraft Wing .

  6. Personal Public Service Number - Wikipedia

    en.wikipedia.org/wiki/Personal_Public_Service_Number

    The Personal Public Service Number ( PPS Number or simply PPSN) ( Irish: Uimhir Phearsanta Seirbhíse Poiblí, or Uimh. PSP) is a unique identifier of individuals in Ireland. It is issued by the Client Identity Services section of the Department of Social Protection, on behalf of Ireland's Minister for Social Protection .

  7. 24 (number) - Wikipedia

    en.wikipedia.org/wiki/24_(number)

    24 is the third nonagonal number. 24's digits in decimal can be manipulated to form two of its factors, as 2 * 4 is 8 and 2 + 4 is 6. In turn 6 * 8 is 48, which is twice 24, and 4 + 8 is 12, which is half 24. 24 is a congruent number, as 24 is the area of a right triangle with a rational number of sides. 24 is a semi-meandric number, where an ...

  8. List of types of numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_types_of_numbers

    Main article: list of numeral systems. Decimal: The standard Hindu–Arabic numeral system using base ten. Binary: The base-two numeral system used by computers, with digits 0 and 1. Ternary: The base-three numeral system with 0, 1, and 2 as digits. Quaternary: The base-four numeral system with 0, 1, 2, and 3 as digits.

  9. h-index - Wikipedia

    en.wikipedia.org/wiki/H-index

    Definition and purpose. h -index from a plot of numbers of citations for an author's numbered papers (arranged in decreasing order) The h -index is defined as the maximum value of h such that the given author/journal has published at least h papers that have each been cited at least h times. [4] [5] The index is designed to improve upon simpler ...