"practical number" meaning in English

{
  "forms": [
    {
      "form": "practical numbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "practical number (plural practical numbers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
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          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
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          "name": "Pages with entries",
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        },
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          "kind": "other",
          "name": "Terms with Italian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Tagalog translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any positive integer having the property that all smaller integers can be represented as sums of distinct divisors of it"
      ],
      "id": "en-practical_number-en-noun-clmt2tvZ",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "positive",
          "positive"
        ],
        [
          "integer",
          "integer"
        ],
        [
          "sum",
          "sum"
        ],
        [
          "divisor",
          "divisor"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any positive integer having the property that all smaller integers can be represented as sums of distinct divisors of it"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "positive integer",
          "tags": [
            "masculine"
          ],
          "word": "numero pratico"
        },
        {
          "code": "tl",
          "lang": "Tagalog",
          "sense": "positive integer",
          "word": "panggamiting bilang"
        }
      ],
      "wikipedia": [
        "practical number"
      ]
    }
  ],
  "word": "practical number"
}

{
  "forms": [
    {
      "form": "practical numbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "practical number (plural practical numbers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Italian translations",
        "Terms with Tagalog translations",
        "en:Mathematics"
      ],
      "glosses": [
        "Any positive integer having the property that all smaller integers can be represented as sums of distinct divisors of it"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "positive",
          "positive"
        ],
        [
          "integer",
          "integer"
        ],
        [
          "sum",
          "sum"
        ],
        [
          "divisor",
          "divisor"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any positive integer having the property that all smaller integers can be represented as sums of distinct divisors of it"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "practical number"
      ]
    }
  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "positive integer",
      "tags": [
        "masculine"
      ],
      "word": "numero pratico"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "sense": "positive integer",
      "word": "panggamiting bilang"
    }
  ],
  "word": "practical number"
}