exa

{
  "id": "NISTp10_18",
  "unitsml_id": "p:exa",
  "name": "exa",
  "symbol": "E",
  "symbols": {
    "unicode": "E",
    "ascii": "E",
    "html": "E",
    "latex": "E",
    "id": "exa",
    "mathml": "<mi>E</mi>"
  },
  "factor": "10^18",
  "base": 10,
  "power": 18,
  "value": 1000000000000000000,
  "units": [],
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTp10_18"
    },
    {
      "type": "unitsml",
      "id": "p:exa"
    }
  ],
  "references": [
    {
      "type": "normative",
      "authority": "si-digital-framework",
      "uri": "http://si-digital-framework.org/SI/prefixes/exa"
    },
    {
      "type": "informative",
      "authority": "ucum",
      "uri": "ucum:prefix:code:E"
    },
    {
      "type": "informative",
      "authority": "qudt",
      "uri": "http://qudt.org/vocab/unit/Exa"
    }
  ]
}