As of 2022-03-07, the Wikidata property Name Assigning Authority Number (P1870) is used on 673 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
P214 VIAF ID 387
 0.0001
P7859 WorldCat Identities ID 373
 0.0002
P213 ISNI 353
 0.0003
P244 Library of Congress authority ID 346
 0.0003
P646 Freebase ID 266
 0.0001
P268 Bibliothèque nationale de France ID 262
 0.0005
P2002 Twitter username 238
 0.0008
P2427 GRID ID 204
 0.0020
P6782 ROR ID 202
 0.0020
P2013 Facebook ID 194
 0.0008
P269 IdRef ID 192
 0.0004
P3500 Ringgold ID 182
 0.0019
P227 GND ID 178
 0.0001
P3417 Quora topic ID 162
 0.0009
P6366 Microsoft Academic ID 155
 0.0006
P691 NKCR AUT ID 155
 0.0003
P2671 Google Knowledge Graph ID 151
 0.0000
P3153 Crossref funder ID 125
 0.0077
P2003 Instagram username 117
 0.0008
P8189 National Library of Israel J9U ID 109
 0.0006
P1417 Encyclopædia Britannica Online ID 97
 0.0006
P2397 YouTube channel ID 88
 0.0013
P10283 OpenAlex ID 87
 0.0009
P1566 GeoNames ID 85
 0.0000
P2088 Crunchbase organization ID 81
 0.0044
P5586 Times Higher Education World University ID 78
 0.0259
P3749 Google Maps Customer ID 74
 0.0016
P5600 U-Multirank university ID 71
 0.0332
P6773 HAL structure ID 71
 0.0111
P5584 QS World University ID 68
 0.0407
P3984 subreddit 68
 0.0058
P409 Libraries Australia ID 68
 0.0010
P5242 ARWU university ID 67
 0.0470
P1315 NLA Trove people ID 67
 0.0006
P1771 Integrated Postsecondary Education Data System ID 63
 0.0154
P1207 NUKAT ID 63
 0.0001
P3987 SHARE Catalogue author ID 62
 0.0004
P245 Union List of Artist Names ID 57
 0.0006
P1616 SIREN number 55
 0.0006
P9756 Schoenberg Database of Manuscripts name ID 53
 0.0052
P950 Biblioteca Nacional de España ID 52
 0.0003
P271 CiNii author ID (books) 50
 0.0006
P9984 CANTIC ID 49
 0.0009
P1017 Vatican Library ID (former scheme) 49
 0.0008
P8034 Vatican Library VcBA ID 49
 0.0005
P1273 CANTIC ID (old) 48
 0.0009
P949 National Library of Israel ID 48
 0.0006
P1004 MusicBrainz place ID 47
 0.0060
P2581 BabelNet ID 47
 0.0006
P1015 NORAF ID 47
 0.0003

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P4645 RCR number 44
 0.0569
P5242 ARWU university ID 67
 0.0470
P5584 QS World University ID 68
 0.0407
P5600 U-Multirank university ID 71
 0.0332
P5586 Times Higher Education World University ID 78
 0.0259
P9623 Price One Penny library ID 21
 0.0213
P2740 ResearchGate institute ID 18
 0.0155
P1771 Integrated Postsecondary Education Data System ID 63
 0.0154
P4272 DPLA subject term 17
 0.0147
P3234 Code List for Cultural Heritage Organizations 10
 0.0129
P5181 Relationship Science organization ID 10
 0.0124
P3642 ARCHON code 41
 0.0122
P5505 WorldCat Registry ID 14
 0.0120
P6773 HAL structure ID 71
 0.0111
P6329 Share-VDE author ID 12
 0.0108
P3393 LittleSis organization ID 43
 0.0107
P539 Museofile 21
 0.0105
P3221 New York Times topic ID 33
 0.0104
P3206 data.gouv.fr organisation ID 19
 0.0100
P8272 BaGLAMa GID 9
 0.0099
P4702 Google Arts & Culture partner ID 19
 0.0097
P6334 Agence photo RMN package ID 7
 0.0095
P3202 UAI code 14
 0.0093
P6413 JORFSearch organization ID 39
 0.0093
P4699 Canal-U channel ID 7
 0.0088
P3977 Songkick venue ID 23
 0.0086
P5432 setlist.fm venue ID 17
 0.0086
P1662 DOI prefix 21
 0.0085
P3153 Crossref funder ID 125
 0.0077
P8060 Glassdoor company ID 9
 0.0076
P1838 PSS-archi ID 19
 0.0075
P3215 SIRET number 16
 0.0075
P8501 Gateway to Research organisation ID 7
 0.0075
P5604 archINFORM keyword ID 12
 0.0071
P3347 PermID 43
 0.0070
P6696 PRELIB organization ID 6
 0.0070
P5574 CAGE code 5
 0.0068
P2942 Dailymotion channel ID 7
 0.0064
P4146 Athenaeum museum ID 14
 0.0063
P7846 Beta maṣāḥǝft ID 8
 0.0061
P7403 Publons publisher ID 8
 0.0060
P7502 Golden ID 16
 0.0060
P1155 Scopus affiliation ID 6
 0.0060
P1004 MusicBrainz place ID 47
 0.0060
P3599 archival creator authority record at the Archives nationales 9
 0.0060
P6617 RoMEO publisher ID 9
 0.0060
P3847 Open Library subject ID 22
 0.0060
P3984 subreddit 68
 0.0058
P3743 ITU/ISO/IEC object identifier 14
 0.0058
P3377 Bloomberg company ID 11
 0.0057