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191

191
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数表整数

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命名
小寫一百九十一
大寫壹佰玖拾壹
序數詞第一百九十一
one hundred and ninety-first
識別
種類整數
性質
質數第43個
質因數分解素数
表示方式
191
算筹
希腊数字ΡϞΑ´
羅馬數字CXCI
泰文数字๑๙๑在维基数据编辑
孟加拉数字১৯১在维基数据编辑
印度數字१९१在维基数据编辑
摩尔斯电码· − − − − − − − − · · − − − −在维基数据编辑
高棉數字១៩១在维基数据编辑
二进制10111111(2)
三进制21002(3)
四进制2333(4)
五进制1231(5)
八进制277(8)
十二进制13B(12)
十六进制BF(16)

191(一百九十一)是190192之間的自然數

在數學中

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在人類文化中

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在科學中

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在天文中

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在其他領域中

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  • 西元191年前191年
  • PCX是一種影像檔格式,一個色盤可以將最常出現的色彩放置於色盤索引編號的0至191的位置
  • 倒問號(¿)為Unicode字元191
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191
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