As of 2022-03-07, the Wikidata property MathWorld identifier (P2812) is used on 4,399 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
P646 Freebase ID 3,493
0.0008
P6366 Microsoft Academic ID 2,916
0.0107
P10283 OpenAlex ID 1,307
0.0126
P1417 Encyclopædia Britannica Online ID 736
0.0042
P4215 nLab ID 668
0.0869
P2671 Google Knowledge Graph ID 572
0.0001
P3417 Quora topic ID 536
0.0029
P2581 BabelNet ID 462
0.0060
P3827 JSTOR topic ID 408
0.0140
P227 GND ID 386
0.0003
P244 Library of Congress authority ID 383
0.0003
P508 BNCF Thesaurus ID 322
0.0158
P8189 National Library of Israel J9U ID 289
0.0016
P1296 Gran Enciclopèdia Catalana ID 286
0.0024
P2924 Great Russian Encyclopedia Online ID 285
0.0053
P7033 Australian Educational Vocabulary ID 266
0.0211
P268 Bibliothèque nationale de France ID 256
0.0004
P8408 KBpedia ID 247
0.0058
P4746 Elhuyar ZTH ID 243
0.0227
P9997 Bowers acronym 204
0.0452
P7305 Online PWN Encyclopedia ID 173
0.0045
P349 National Diet Library ID 164
0.0011
P8855 IEV number 162
0.0254
P1245 OmegaWiki Defined Meaning 162
0.0103
P4342 Store norske leksikon ID 160
0.0020
P7818 French Vikidia ID 159
0.0066
P1051 PSH ID 154
0.0152
P829 OEIS ID 148
0.0324
P7554 Encyclopedia of Mathematics wiki ID 147
0.0324
P5106 Dictionary of Algorithms and Data Structures ID 127
0.0264
P6564 Brilliant Wiki ID 125
0.0274
P3553 Zhihu topic ID 117
0.0063
P1014 Art & Architecture Thesaurus ID 101
0.0036
P3219 Encyclopædia Universalis ID 99
0.0027
P2347 YSO ID 89
0.0032
P2163 FAST ID 86
0.0002
P269 IdRef ID 77
0.0001
P5047 Rosetta Code ID 71
0.0156
P3285 Mathematics Subject Classification ID 69
0.0153
P8814 WordNet 3.1 Synset ID 69
0.0034
P1256 Iconclass notation 64
0.0078
P9621 Treccani's Enciclopedia della Matematica ID 60
0.0131
P8313 Den Store Danske ID 56
0.0016
P950 Biblioteca Nacional de España ID 54
0.0003
P3569 Cultureel Woordenboek ID 51
0.0053
P3222 NE.se ID 50
0.0010
P5610 OpenMath ID 44
0.0100
P4839 Wolfram Language entity code 41
0.0002
P8885 Namuwiki ID 39
0.0052
P9545 Encyclopedia of China Online Database ID 37
0.0041

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P4215 nLab ID 668
0.0869
P9997 Bowers acronym 204
0.0452
P829 OEIS ID 148
0.0324
P7554 Encyclopedia of Mathematics wiki ID 147
0.0324
P6564 Brilliant Wiki ID 125
0.0274
P5106 Dictionary of Algorithms and Data Structures ID 127
0.0264
P8855 IEV number 162
0.0254
P4746 Elhuyar ZTH ID 243
0.0227
P7033 Australian Educational Vocabulary ID 266
0.0211
P508 BNCF Thesaurus ID 322
0.0158
P5047 Rosetta Code ID 71
0.0156
P3285 Mathematics Subject Classification ID 69
0.0153
P1051 PSH ID 154
0.0152
P3827 JSTOR topic ID 408
0.0140
P9621 Treccani's Enciclopedia della Matematica ID 60
0.0131
P10283 OpenAlex ID 1,307
0.0126
P6366 Microsoft Academic ID 2,916
0.0107
P1245 OmegaWiki Defined Meaning 162
0.0103
P5610 OpenMath ID 44
0.0100
P1256 Iconclass notation 64
0.0078
P7818 French Vikidia ID 159
0.0066
P3553 Zhihu topic ID 117
0.0063
P2931 Encyclopedia of Triangle Centers identifier 27
0.0061
P2581 BabelNet ID 462
0.0060
P8408 KBpedia ID 247
0.0058
P8834 MetaSat ID 31
0.0054
P3569 Cultureel Woordenboek ID 51
0.0053
P2924 Great Russian Encyclopedia Online ID 285
0.0053
P8885 Namuwiki ID 39
0.0052
P6781 ProofWiki ID 22
0.0050
P7726 PlanetMath ID 22
0.0050
P7827 Spanish Vikidia ID 28
0.0047
P6900 NicoNicoPedia ID 32
0.0046
P6771 Arabic Ontology ID 22
0.0045
P7305 Online PWN Encyclopedia ID 173
0.0045
P9100 GitHub topic 30
0.0044
P3328 wurvoc.org measure ID 21
0.0042
P1417 Encyclopædia Britannica Online ID 736
0.0042
P9545 Encyclopedia of China Online Database ID 37
0.0041
P7832 Basque Vikidia ID 21
0.0041
P8417 Group Properties wiki ID 17
0.0038
P7431 Wolfram Language quantity ID 21
0.0038
P4732 IUPAC Gold Book ID 23
0.0037
P1014 Art & Architecture Thesaurus ID 101
0.0036
P5064 World of Physics identifier 16
0.0035
P3123 Stanford Encyclopedia of Philosophy ID 19
0.0035
P8248 Colon Classification 21
0.0035
P8814 WordNet 3.1 Synset ID 69
0.0034
P8769 Ontology of units of Measure 2.0 unit ID 19
0.0034
P6512 UN/CEFACT Common Code 18
0.0034