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What does 421 mean?

Updated: 10/9/2022
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Wiki User

9y ago

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421 can be the code for the engine size generally found in muscle cars. 421 cubic inches = 6.9 Liters. It was develloped by Pontiac as a V8 engine. The 421 SD became factory installed in 1962 and in 1963 a street version became available from the factory with a four barrel or tri-power carburation. The Super Dutyversions of this engine were extensively used in NASCAR stock car racing and drag racing competition.

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Elmer Wiegand

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1y ago
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Q: What does 421 mean?
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xemyn si ta 421


What are the factors of 421?

The positive integer factors of 421 are: 1, 421


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The only prime factor of 421 is 421.


What is 0.421 as a fraction?

0.421 as a fraction is 421/1000.It is 421/1000.


What is 421 in roman numerals?

421 = CDXXI


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421 + 136.25 = 557.25


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421 is a prime number.


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70.1667


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6 x 421 = 2,526


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