As of 2022-03-07, the Wikidata property Erdős number (P2021) is used on 2,344 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
P21 sex or gender 2,344
 0.0003
P31 instance of 2,344
 0.0000
P106 occupation 2,340
 0.0003
P69 educated at 2,269
 0.0013
P735 given name 2,225
 0.0004
P27 country of citizenship 2,221
 0.0006
P569 date of birth 2,221
 0.0004
P646 Freebase ID 2,169
 0.0005
P108 employer 2,158
 0.0019
P214 VIAF ID 2,113
 0.0008
P7859 WorldCat Identities ID 2,072
 0.0011
P184 doctoral advisor 1,961
 0.0077
P213 ISNI 1,956
 0.0014
P1556 zbMATH author ID 1,936
 0.0448
P549 Mathematics Genealogy Project ID 1,924
 0.0074
P244 Library of Congress authority ID 1,913
 0.0014
P19 place of birth 1,844
 0.0006
P4955 MR Author ID 1,840
 0.0122
P185 doctoral student 1,801
 0.0239
P166 award received 1,758
 0.0028
P1207 NUKAT ID 1,746
 0.0033
P227 GND ID 1,715
 0.0013
P269 IdRef ID 1,673
 0.0031
P734 family name 1,648
 0.0005
P101 field of work 1,608
 0.0087
P1006 Nationale Thesaurus voor Auteurs ID 1,582
 0.0031
P463 member of 1,539
 0.0050
P1412 languages spoken, written or signed 1,473
 0.0007
P18 image 1,384
 0.0003
P268 Bibliothèque nationale de France ID 1,318
 0.0023
P3987 SHARE Catalogue author ID 1,295
 0.0075
P691 NKCR AUT ID 1,161
 0.0026
P373 Commons category 971
 0.0003
P2456 DBLP author ID 963
 0.0180
P570 date of death 866
 0.0003
P8189 National Library of Israel J9U ID 795
 0.0046
P1015 NORAF ID 788
 0.0048
P20 place of death 724
 0.0006
P1559 name in native language 705
 0.0012
P2163 FAST ID 666
 0.0015
P7293 PLWABN ID 650
 0.0019
P1343 described by source 632
 0.0009
P7902 Deutsche Biographie (GND) ID 597
 0.0010
P2381 Academic Tree ID 574
 0.0267
P1417 Encyclopædia Britannica Online ID 547
 0.0032
P3430 SNAC ARK ID 546
 0.0040
P5380 National Academy of Sciences member ID 513
 0.0872
P1280 CONOR.SI ID 509
 0.0048
P271 CiNii author ID (books) 506
 0.0058
P1563 MacTutor biography ID 450
 0.0927

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P8418 Oberwolfach mathematician ID 338
 0.1031
P8024 Nobel Laureate API ID 282
 0.0931
P1563 MacTutor biography ID 450
 0.0927
P5380 National Academy of Sciences member ID 513
 0.0872
P6551 Physics History Network ID 203
 0.0642
P864 ACM Digital Library author ID 287
 0.0596
P4215 nLab ID 284
 0.0472
P1556 zbMATH author ID 1,936
 0.0448
P2070 Fellow of the Royal Society ID 141
 0.0354
P4252 All-Russian Mathematical Portal ID 193
 0.0351
P2381 Academic Tree ID 574
 0.0267
P6282 French Academy of Sciences member ID 67
 0.0248
P5463 AE member ID 161
 0.0246
P185 doctoral student 1,801
 0.0239
P5819 International Mathematical Olympiad participant ID 75
 0.0224
P10242 Lur Encyclopedic Dictionary ID 333
 0.0211
P9640 PAS member ID 54
 0.0205
P3360 Nobel Prize People Nomination ID 122
 0.0193
P2456 DBLP author ID 963
 0.0180
P6594 Guggenheim fellows ID 321
 0.0177
P4590 Atomic Heritage Foundation ID 48
 0.0175
P8832 PAN member 61
 0.0165
P7982 Hrvatska enciklopedija ID 381
 0.0147
P3413 Leopoldina member ID 119
 0.0145
P3226 HAS member ID 42
 0.0131
P8349 Proleksis enciklopedija ID 178
 0.0127
P7666 Visuotinė lietuvių enciklopedija ID 244
 0.0123
P4955 MR Author ID 1,840
 0.0122
P9541 MacArthur Fellows Program ID 41
 0.0121
P3219 Encyclopædia Universalis ID 404
 0.0116
P2454 KNAW past member ID 47
 0.0115
P8313 Den Store Danske ID 367
 0.0114
P4872 GEPRIS person ID 38
 0.0109
P7305 Online PWN Encyclopedia ID 374
 0.0104
P1026 academic thesis 132
 0.0104
P5019 Brockhaus Enzyklopädie online ID 387
 0.0103
P2930 INSPIRE-HEP author ID 137
 0.0099
P1263 NNDB people ID 382
 0.0099
P3468 National Inventors Hall of Fame ID 28
 0.0098
P1284 Munzinger person ID 325
 0.0097
P5948 CMI person ID 23
 0.0095
P9621 Treccani's Enciclopedia della Matematica ID 24
 0.0094
P5552 CNRS Talent page 24
 0.0090
P101 field of work 1,608
 0.0087
P9087 Econlib person ID 21
 0.0086
P3388 LittleSis people ID 49
 0.0086
P9251 Cyprus University of Technology ID 54
 0.0085
P3222 NE.se ID 384
 0.0084
P802 student 272
 0.0081
P8496 Archive Site Trinity College Cambridge ID 85
 0.0081