"LXIX" meaning in Translingual

{
  "forms": [
    {
      "form": "lxix",
      "tags": [
        "lowercase"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "numeral symbol",
        "3": "upper case Roman numeral",
        "4": "",
        "5": "lower case",
        "6": "lxix"
      },
      "expansion": "LXIX (upper case Roman numeral, lower case lxix)",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Translingual numeral symbols",
          "parents": [
            "Numeral symbols",
            "Symbols",
            "Letters, symbols, and punctuation",
            "Orthography",
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "sixty-nine (69)."
      ],
      "id": "en-LXIX-mul-num-Gxnq-IHY",
      "links": [
        [
          "sixty-nine",
          "sixty-nine"
        ]
      ],
      "related": [
        {
          "sense": "Previous",
          "word": "LXVIII"
        },
        {
          "sense": "Next",
          "word": "LXX"
        }
      ],
      "synonyms": [
        {
          "word": "lxix"
        }
      ],
      "tags": [
        "Roman",
        "numeral",
        "uppercase"
      ]
    }
  ],
  "word": "LXIX"
}

{
  "forms": [
    {
      "form": "lxix",
      "tags": [
        "lowercase"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "numeral symbol",
        "3": "upper case Roman numeral",
        "4": "",
        "5": "lower case",
        "6": "lxix"
      },
      "expansion": "LXIX (upper case Roman numeral, lower case lxix)",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "num",
  "related": [
    {
      "sense": "Previous",
      "word": "LXVIII"
    },
    {
      "sense": "Next",
      "word": "LXX"
    }
  ],
  "senses": [
    {
      "categories": [
        "Roman numerals",
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual numeral symbols"
      ],
      "glosses": [
        "sixty-nine (69)."
      ],
      "links": [
        [
          "sixty-nine",
          "sixty-nine"
        ]
      ],
      "tags": [
        "Roman",
        "numeral",
        "uppercase"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "lxix"
    }
  ],
  "word": "LXIX"
}