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Crisis Text Line is a global nonprofit organization providing free and confidential text-based mental health support and crisis intervention by texting HOME to 741741. [1] The organization launched in 2013, and its services are available 24 hours a day throughout the United States, Canada, UK, and Ireland. As of March 2024, the organization reported that it had supported over 9 million support ...
List of Dewey Decimal classes. The Dewey Decimal Classification (DDC) is structured around ten main classes covering the entire world of knowledge; each main class is further structured into ten hierarchical divisions, each having ten divisions of increasing specificity. [1] As a system of library classification the DDC is "arranged by ...
This is a list of articles about prime numbers. A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. By Euclid's theorem, there are an infinite number of prime numbers. Subsets of the prime numbers may be generated with various formulas for primes. The first 1000 primes are listed below, followed by lists of notable types of prime ...
U.S. Surgeon General Vivek Murthy called upon Congress on Monday to issue a warning label for visitors to social media platforms to combat what he called an “emergency” mental health crisis ...
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). 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.
Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's. Country codes are dialed before the national telephone number, but require at least one additional prefix, the international call prefix which is an exit code from the national numbering plan to the international one. In ...
268 400: 360 000: 374 800: 679 366: 730 619: 925 932: 1 298 296: 2 139 154: ... 87 741 1.24 20.1 7.7 2.57 ... The population numbers below are computed by a ...
800 (number) 800 ( eight hundred) is the natural number following 799 and preceding 801 . It is the sum of four consecutive primes (193 + 197 + 199 + 211). It is a Harshad number, an Achilles number and the area of a square with diagonal 40. [1]