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255

數字一覽
小寫 二百五十五
大寫 貳佰伍拾伍
二進位 11111111
八進制 377
十二進位 193
十六進位 FF

255係254同256之間嘅自然數。

255係一個字節（8個位元）可以表示最大嘅整數。喺用二嘅補數嘅系統，代表 255 嘅單字節二進位值亦都代表 -1。

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255
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