As of 2022-03-07, the Wikidata property P-number (P2814) is used on 395 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P1059 CVR number 291
 0.0788
P1320 OpenCorporates ID 291
 0.0067
P3152 Findsmiley ID 101
 0.2295
P214 VIAF ID 61
 0.0000
P7859 WorldCat Identities ID 59
 0.0000
P646 Freebase ID 54
 0.0000
P2013 Facebook ID 43
 0.0002
P213 ISNI 39
 0.0000
P2002 Twitter username 37
 0.0001
P6782 ROR ID 35
 0.0003
P2427 GRID ID 35
 0.0003
P244 Library of Congress authority ID 32
 0.0000
P2671 Google Knowledge Graph ID 30
 0.0000
P3500 Ringgold ID 23
 0.0002
P3153 Crossref funder ID 18
 0.0011
P8313 Den Store Danske ID 15
 0.0005
P2003 Instagram username 15
 0.0001
P2783 Danish listed buildings case ID 13
 0.0068
P8708 Danish educational institution number 12
 0.0118
P3608 EU VAT number 12
 0.0012
P3417 Quora topic ID 12
 0.0001
P9477 Trap Danmark ID 11
 0.0044
P6366 Microsoft Academic ID 11
 0.0000
P5785 EU Research participant ID 7
 0.0017
P227 GND ID 7
 0.0000
P1566 GeoNames ID 7
 0.0000
P6849 DR topic ID 6
 0.0047
P946 ISIN 6
 0.0010
P791 ISIL 6
 0.0003
P2397 YouTube channel ID 6
 0.0001
P691 NKCR AUT ID 6
 0.0000
P269 IdRef ID 6
 0.0000
P268 Bibliothèque nationale de France ID 6
 0.0000
P4264 LinkedIn company ID 5
 0.0005
P3134 TripAdvisor ID 5
 0.0003
P2088 Crunchbase organization ID 5
 0.0003
P10283 OpenAlex ID 5
 0.0000
P4702 Google Arts & Culture partner ID 4
 0.0024
P9466 Gyldendals Teaterleksikon ID 4
 0.0014
P1278 Legal Entity Identifier 4
 0.0001
P6155 Sotheby's Museum Network ID 3
 0.0016
P4146 Athenaeum museum ID 3
 0.0015
P2657 EU Transparency Register ID 3
 0.0008
P3222 NE.se ID 3
 0.0001
P4342 Store norske leksikon ID 3
 0.0000
P6617 RoMEO publisher ID 2
 0.0016
P1968 Foursquare venue ID 2
 0.0003
P3347 PermID 2
 0.0003
P6773 HAL structure ID 2
 0.0003
P1004 MusicBrainz place ID 2
 0.0003

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P3152 Findsmiley ID 101
 0.2295
P1059 CVR number 291
 0.0788
P8708 Danish educational institution number 12
 0.0118
P2783 Danish listed buildings case ID 13
 0.0068
P1320 OpenCorporates ID 291
 0.0067
P6849 DR topic ID 6
 0.0047
P9477 Trap Danmark ID 11
 0.0044
P4702 Google Arts & Culture partner ID 4
 0.0024
P5232 D&B Hoovers company profile 1
 0.0021
P5181 Relationship Science organization ID 1
 0.0019
P5785 EU Research participant ID 7
 0.0017
P2771 D-U-N-S number 1
 0.0017
P6155 Sotheby's Museum Network ID 3
 0.0016
P6617 RoMEO publisher ID 2
 0.0016
P8272 BaGLAMa GID 1
 0.0016
P4146 Athenaeum museum ID 3
 0.0015
P9466 Gyldendals Teaterleksikon ID 4
 0.0014
P3797 autonomous system number 1
 0.0013
P3608 EU VAT number 12
 0.0012
P10207 Folketinget actor ID 1
 0.0011
P3153 Crossref funder ID 18
 0.0011
P5760 Petit Futé site ID 1
 0.0011
P946 ISIN 6
 0.0010
P9487 GLEIF registration authority code 1
 0.0010
P8562 JSTOR publisher ID 1
 0.0009
P2657 EU Transparency Register ID 3
 0.0008
P5818 BGCI garden ID 1
 0.0008
P5432 setlist.fm venue ID 1
 0.0006
P5600 U-Multirank university ID 1
 0.0005
P8313 Den Store Danske ID 15
 0.0005
P4264 LinkedIn company ID 5
 0.0005
P1481 vici.org ID 1
 0.0005
P7502 Golden ID 1
 0.0004
P3977 Songkick venue ID 1
 0.0004
P5586 Times Higher Education World University ID 1
 0.0004
P9100 GitHub topic 1
 0.0004
P1968 Foursquare venue ID 2
 0.0003
P3347 PermID 2
 0.0003
P6782 ROR ID 35
 0.0003
P2427 GRID ID 35
 0.0003
P3134 TripAdvisor ID 5
 0.0003
P6773 HAL structure ID 2
 0.0003
P3035 ISBN publisher prefix 1
 0.0003
P791 ISIL 6
 0.0003
P2088 Crunchbase organization ID 5
 0.0003
P3393 LittleSis organization ID 1
 0.0003
P1004 MusicBrainz place ID 2
 0.0003
P2037 GitHub username 2
 0.0002
P3500 Ringgold ID 23
 0.0002
P7772 Atlas Obscura identifier 2
 0.0002