| Wikidata property for authority control for people | Q19595382 |
| numeric identifier | Q93868746 |
| Wikidata property related to economics | Q21451178 |
| P1793 | format as a regular expression | \d+ |
| P3254 | property proposal discussion | https://www.wikidata.org/wiki/Wikidata:Property_proposal/Challenges_billionaire_ID |
| P1896 | source website for the property | https://www.challenges.fr/classements/fortune |
| P1630 | formatter URL | https://www.challenges.fr/classements/fortune/_$1 | |
| P2305 | item of property constraint | Challenges | Q2947983 |
| P2302 | property constraint | distinct-values constraint | Q21502410 |
| item-requires-statement constraint | Q21503247 | ||
| single-value constraint | Q19474404 | ||
| format constraint | Q21502404 | ||
| allowed-entity-types constraint | Q52004125 | ||
| property scope constraint | Q53869507 |
| Q2947983 | Challenges | Wikidata property | P1687 |
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