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The 555 timer IC is an integrated circuit used in a variety of timer, delay, pulse generation, and oscillator applications. It is one of the most popular timing ICs due to its flexibility and price. It is one of the most popular timing ICs due to its flexibility and price.
The 555 exchange is not reserved in area codes used for toll-free phone numbers. This led to the video game The Last of Us accidentally including the number to a phone-sex operator. [9] The number "555-2368" (or 311-555-2368) is a carryover from the "EXchange 2368" ("Exchange CENTral") number common in telephone advertisements as early as the ...
Telephone numbers starting with the digits 555 are assigned to subscribers as ordinary numbers. Hungarian taxi company Tele5 Taxi uses 555-5555 as a vanity number , [ 22 ] while at least one company specializing in vanity numbers [ 23 ] sells cell phone numbers starting with the digits 555 for a premium rate, capitalizing on their fame in ...
Year 555 was a common year starting on Friday of the Julian calendar.The denomination 555 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
555 may refer to: 555 (number) 555, a year of the Julian calendar; 555, a direct-to-video horror film; 555 (telephone number), a telephone prefix commonly used in films and works of fiction; 555, a Thai-language internet slang equivalent to LOL "555", a song by Sebastian Ingrosso "555", a song performed by the band Phish and written by Mike Gordon
555 is a sphenic number. In base 10, it is a repdigit, and because it is divisible by the sum of its digits, it is a Harshad number. It is also a Harshad number in binary, base 11, base 13 and hexadecimal. It is the sum of the first triplet of three-digit permutable primes in decimal: + + =.
Hans R. Camenzind (Swiss Standard German: [ˈkaːməntsɪnd]; 1 January 1934 – 8 August 2012 [1]) was an electronics engineer known for designing the 555 timer IC in 1971 under contract to Signetics. [2]
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.