Four hundred is the natural number following three hundred ninety-nine and preceding four hundred one.
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400 number - Mathematical properties.
400 is the square of 20.
A circle is divided into 400 grads, which is equal to 360 degrees and 2π radians. (Degrees and radians are the SI accepted units).
400 is a self number in base 10, since there is no integer that added to t ...
400 is the square of 20.
A circle is divided into 400 grads, which is equal to 360 degrees and 2π radians. (Degrees and radians are the SI accepted units).
400 is a self number in base 10, since there is no integer that added to the sum of its own digits results in 400. On the other hand, 400 is divisible by the sum of its own base 10 digits, making it a Harshad number.
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Four hundred is also
an HTTP status code for a bad request.
a phrase meaning the wealthiest, most famous, or most powerful social group, leading to the generation of such lists as the Forbes 400
The Atari 400 home computer.
in the title of the film Les Quatre Cent Coups (The 400 Blows), a French film directed by François Truffaut.
the designation for a class of Ontario highways called 400-Series Highways.< ...
Four hundred is also
a common ISO-standard film speed for photographic films.
an HTTP status code for a bad request.
a phrase meaning the wealthiest, most famous, or most powerful social group, leading to the generation of such lists as the Forbes 400
in the title of the film Les Quatre Cent Coups (The 400 Blows), a French film directed by François Truffaut.
the designation for a class of Ontario highways called 400-Series Highways.< ...
