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What is ic 8251?

(UART - 8251)   The UART is a universal asynchronous receiver/transmitter, which is modeled on the real-world Intel® 8251 peripheral interface adapter component . IC 8251 (MORE)

Is 20449 a prime number?

A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 20449 is composite.
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