"15" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Numéraux",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "5, 10, 15 ¢"
    },
    {
      "word": "UE-15"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "num",
  "pos_title": "Numéral",
  "senses": [
    {
      "glosses": [
        "Numéral en chiffres arabes du nombre quinze, en notation décimale. Selon la base utilisée, ce numéral peut représenter d’autres nombres. En notation hexadécimale, par exemple, ce numéral représente le nombre vingt-et-un ; en octal, le nombre treize."
      ],
      "id": "fr-15-conv-num-s6T9nGYc"
    }
  ],
  "word": "15"
}

{
  "categories": [
    {
      "kind": "other",
      "name": "Symboles en conventions internationales",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "translation": "quindicesima alta",
      "word": "15ma"
    },
    {
      "word": "𝄸"
    },
    {
      "translation": "quindicesima bassa",
      "word": "15mb"
    },
    {
      "word": "𝄹"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "senses": [
    {
      "glosses": [
        "Quindicesima : quinzième (double octaves)."
      ],
      "id": "fr-15-conv-symbol-cWCbZI9I"
    }
  ],
  "sounds": [
    {
      "ipa": "\\kwin.di.ˈt͡ʃɛ.zi.ma\\"
    }
  ],
  "word": "15"
}

{
  "categories": [
    "Numéraux",
    "conventions internationales"
  ],
  "derived": [
    {
      "word": "5, 10, 15 ¢"
    },
    {
      "word": "UE-15"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "num",
  "pos_title": "Numéral",
  "senses": [
    {
      "glosses": [
        "Numéral en chiffres arabes du nombre quinze, en notation décimale. Selon la base utilisée, ce numéral peut représenter d’autres nombres. En notation hexadécimale, par exemple, ce numéral représente le nombre vingt-et-un ; en octal, le nombre treize."
      ]
    }
  ],
  "word": "15"
}

{
  "categories": [
    "Symboles en conventions internationales",
    "conventions internationales"
  ],
  "derived": [
    {
      "translation": "quindicesima alta",
      "word": "15ma"
    },
    {
      "word": "𝄸"
    },
    {
      "translation": "quindicesima bassa",
      "word": "15mb"
    },
    {
      "word": "𝄹"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "senses": [
    {
      "glosses": [
        "Quindicesima : quinzième (double octaves)."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\kwin.di.ˈt͡ʃɛ.zi.ma\\"
    }
  ],
  "word": "15"
}