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  2. Virtual number - Wikipedia

    en.wikipedia.org/wiki/Virtual_number

    A virtual number, also known as direct inward dialing (DID) or access numbers, is a telephone number without a directly associated telephone line. Usually, these numbers are programmed to forward incoming calls to one of the pre-set telephone numbers, chosen by the client: fixed, mobile or VoIP .

  3. Mobile virtual network operator - Wikipedia

    en.wikipedia.org/wiki/Mobile_virtual_network...

    A mobile virtual network operator (MVNO) is a wireless communications services provider that does not own the wireless network infrastructure over which it provides services to its customers. An MVNO enters into a business agreement with a mobile network operator (MNO) to obtain bulk access to network services at wholesale rates, then sets ...

  4. Vampire number - Wikipedia

    en.wikipedia.org/wiki/Vampire_number

    In recreational mathematics, a vampire number (or true vampire number) is a composite natural number with an even number of digits, that can be factored into two natural numbers each with half as many digits as the original number, where the two factors contain precisely all the digits of the original number, in any order, counting multiplicity.

  5. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    It is referred as chamada gratuita (free call) or as número verde (green number). In Qatar, toll-free numbers have the format "800' xxxx". [20] In Romania, toll-free numbers have the format "0800 xxx xxx". The service is referred to as număr verde. In Russia, the prefix is "8-800", followed by 7 digits (8-800-XXX-XX-XX).

  6. Child Rights International Network - Wikipedia

    en.wikipedia.org/wiki/Child_Rights_International...

    When the CRIN was founded, it stood for "Children's Rights Information Network". Later on it was changed to what we know today as the "Children's Rights International Network" [2] CRIN began in 1991 as an informal secretariat set up by Radda Barnen and Defence for Children International to circulate information produced from the reporting processes of the Convention, which was ratified in 1990.

  7. Chinese numerology - Wikipedia

    en.wikipedia.org/wiki/Chinese_numerology

    The number 2 (二, cardinal, pinyin: èr or 兩, used with units, pinyin: liǎng) is most often considered a good number in Chinese culture.In Cantonese, 2 (二 or 兩, Cantonese Yale: yih or léuhng) is homophonous with the characters for "easy" (易, Cantonese Yale: yih) and "bright" (亮, Cantonese Yale: leuhng), respectively.

  8. Crin Antonescu - Wikipedia

    en.wikipedia.org/wiki/Crin_Antonescu

    George Crin Laurențiu Antonescu (Romanian pronunciation: [ˈdʒe̯ordʒe ˈkrin la.uˈrentsju antoˈnesku]; born 21 September 1959) is a Romanian politician, who was President of the National Liberal Party (PNL) from 2009 to 2014.

  9. Pseudorandom number generator - Wikipedia

    en.wikipedia.org/wiki/Pseudorandom_number_generator

    A pseudorandom number generator (PRNG), also known as a deterministic random bit generator (DRBG), [1] is an algorithm for generating a sequence of numbers whose properties approximate the properties of sequences of random numbers.