12 Days of Christmas
1,080th
24 Game
12th
22nd35th24th9th6th
30th8th11th9th9th10th11th8th
15th7th10th
10th23rd61st6th12th9th13th11th6th
11th13th8th4th142nd10th5th
24th15th4th10th8th5th5th10th6th3rd7th
99 Bottles of Beer
19th
127th162nd112th8th13th
22nd22nd17th20th23rd19th20th14th
67th23rd42nd
15th135th490th10th29th15th14th21st14th
43rd75th142nd11th124th22nd39th
98th67th11th15th16th38th15th
10th11th11th
Abundant Numbers
30th
44th169th151st140th18th22nd
43rd21st36th26th34th24th28th19th
82nd38th94th
26th150th221st16th57th51st40th26th15th
42nd68th84th16th711th22nd33rd
117th108th12th24th20th39th12th16th20th12th23rd
Abundant Numbers (Long)
28th
24th96th74th97th20th22nd
55th18th28th23rd34th19th19th18th
47th34th55th
25th105th124th17th43rd42nd31st22nd13th
29th45th36th13th382nd22nd24th
67th63rd12th12th10th23rd12th11th15th12th19th
Arabic to Roman
76th
30th
126th
Arithmetic Numbers
25th
71st58th70th17th17th
45th12th19th16th24th12th14th18th
35th13th24th
18th48th135th12th27th26th39th18th11th
18th27th26th11th344th22nd13th
52nd43rd7th9th7th13th8th9th12th7th15th
Arrows
23rd
29th
72nd
14th
112th
Ascending Primes
14th
21st44th37th36th13th14th
29th11th13th14th14th7th11th13th
24th12th17th
13th37th70th12th15th24th
12th6th
15th17th17th6th114th13th16th
42nd15th6th12th8th10th7th9th9th6th9th
ASCII Table
19th
39th75th67th61st9th14th
39th14th14th13th15th12th12th12th
40th21st19th
17th49th67th15th19th21st15th13th12th
32nd
8th271st13th
56th40th10th20th6th16th10th
9th6th12th
Card Number Validation
31st
27th
85th
149th
Catalan Numbers
15th
30th25th42nd28th19th19th
44th22nd23rd21st21st21st32nd20th
34th31st45th
11th44th112th8th42nd16th10th9th10th
26th16th33rd16th209th9th26th
71st20th14th13th7th6th17th10th9th5th9th
Catalan’s Constant
8th18th9th15th
30th14th24th22nd10th7th12th28th10th12th15th16th10th17th11th15th6th18th11th12th18th7th37th61st16th59th9th23rd6th6th6th13th15th13th10th128th13th14th4th29th4th6th24th7th7th16th6th8th4th9th
Christmas Trees
370th
Collatz
38th
25th177th116th156th20th23rd
42nd21st23rd27th34th20th22nd20th
51st40th68th
28th112th279th19th47th41st
23rd18th
33rd60th55th21st257th27th23rd
79th44th16th16th7th33rd17th15th17th11th26th
CSS Colors
26th
10th
97th
Cubes
12th
24th46th28th9th7th
28th11th15th11th11th9th13th8th
28th11th18th
10th45th111th8th18th
11th11th5th
16th17th28th6th111th10th14th
44th29th7th16th11th10th7th
6th7th9th
Day of Week
38th
46th
148th
25th
289th
Diamonds
16th
46th54th72nd57th9th11th
37th12th48th13th18th11th13th14th
54th24th38th
15th57th57th14th28th19th26th18th8th
26th39th45th10th226th11th26th
93rd19th6th16th12th18th11th
11th9th9th
Divisors
33rd
45th224th165th128th19th24th
56th37th41st26th33rd26th26th19th
89th35th128th
26th173rd604th20th54th43rd118th34th16th
71st136th99th18th527th26th71st
177th124th15th17th18th53rd21st12th21st14th29th
Emirp Numbers
22nd
44th62nd54th38th13th15th
42nd12th20th17th18th15th17th25th
42nd17th59th
15th53rd229th12th24th33rd17th
7th
35th39th34th15th348th15th62nd
122nd31st7th29th8th15th11th19th8th6th14th
Emirp Numbers (Long)
17th
22nd46th44th35th15th15th
38th14th17th14th18th12th11th20th
25th15th27th
14th37th99th10th17th29th19th12th7th
17th25th20th8th171st14th24th
49th33rd9th11th5th13th11th8th9th5th12th
Emojify
28th
14th
155th
Evil Numbers
31st
52nd123rd128th113th20th24th
52nd36th41st33rd29th18th31st24th
80th44th87th
22nd124th428th16th45th60th46th26th13th
61st90th69th24th390th22nd67th
178th99th15th31st9th38th20th19th17th11th23rd
Evil Numbers (Long)
29th
21st97th84th82nd21st25th
44th29th32nd25th29th15th20th25th
46th38th45th
20th68th167th15th32nd54th
23rd15th
31st45th44th21st272nd20th26th
66th67th29th14th11th25th21st8th15th10th19th
Factorial Factorisation
7th18th9th14th
19th39th25th28th10th9th9th28th9th12th14th15th10th12th18th13th6th18th10th12th14th8th33rd68th13th14th16th
12th4th10th10th15th14th6th147th12th11th8th45th20th7th15th6th8th11th
7th4th7th
Farey Sequence
20th
17th52nd29th37th15th19th
37th17th16th18th19th14th16th12th
26th13th20th
18th29th77th11th17th12th
17th11th
17th22nd17th9th177th13th15th
40th27th11th11th10th16th10th10th11th5th12th
Fibonacci
75th
88th270th329th314th44th52nd
55th83rd83rd81st75th45th75th35th
223rd83rd211th
52nd337th220th29th127th63rd140th90th43rd
119th230th190th44th197th66th176th
277th114th36th25th83rd111th49th36th68th46th56th
Fizz Buzz
78th
124th574th563rd419th27th53rd
53rd108th83rd79th78th64th101st31st
285th75th250th
43rd611th1,636th33rd152nd53rd157th106th52nd
230th403rd365th48th922nd70th156th
368th366th28th34th92nd176th50th21st64th46th58th
Foo Fizz Buzz Bar
33rd
110th129th104th17th18th
45th20th23rd29th25th17th18th17th
63rd33rd48th
20th151st320th18th40th33rd31st22nd16th
43rd78th84th20th318th27th31st
67th64th12th16th25th23rd18th11th16th11th22nd
Forsyth–Edwards Notation
17th
27th
10th
66th
Fractions
39th
32nd
172nd
Gijswijt’s Sequence
11th
21st16th23rd20th13th12th
32nd9th12th12th13th10th10th11th
18th12th14th
14th21st58th12th14th14th11th17th6th
12th13th14th7th159th11th10th
32nd17th7th15th8th12th8th8th11th7th13th
Happy Numbers
28th
38th80th61st46th13th13th
39th16th26th19th19th15th23rd22nd
80th32nd66th
20th58th215th15th29th45th
16th11th
43rd32nd40th16th294th16th39th
88th33rd7th29th9th22nd14th19th13th7th18th
Happy Numbers (Long)
24th
21st72nd44th40th16th16th
33rd16th23rd21st19th12th12th13th
41st33rd41st
18th42nd119th14th25th44th
17th10th
30th24th28th11th181st18th23rd
62nd18th10th13th6th16th14th9th11th7th21st
Hexdump
32nd
32nd
7th
109th
Inventory Sequence
25th
22nd47th35th42nd15th13th
42nd15th20th17th16th9th13th12th
22nd15th21st
16th31st86th15th17th26th23rd19th11th
25th23rd23rd8th251st14th15th
41st26th8th12th6th10th12th9th12th7th14th
ISBN
37th
171st
Kolakoski Constant
8th17th8th16th
28th23rd18th22nd11th7th15th30th11th12th14th16th10th21st11th17th9th21st13th14th19th8th34th64th15th15th10th26th7th6th8th15th17th14th8th137th12th14th5th38th9th7th25th9th7th19th8th9th4th11th
Kolakoski Sequence
18th18th16th
37th54th35th38th15th11th12th32nd15th22nd19th18th9th17th13th11th10th33rd18th38th
9th40th125th12th21st38th29th14th9th14th28th24th22nd10th154th14th14th7th55th22nd7th24th9th13th11th7th14th9th20th
Leap Years
37th
39th148th164th123rd24th23rd
42nd32nd42nd35th36th27th38th26th
86th31st96th
24th176th158th20th51st37th48th47th22nd
65th131st139th23rd394th31st59th
122nd56th11th17th35th50th23rd16th25th16th27th
Leyland Numbers
18th
27th27th44th30th10th15th
45th12th14th15th12th15th14th15th
24th19th40th
18th38th95th15th25th16th21st8th9th
20th23rd33rd10th311th13th16th
55th29th6th13th15th11th10th10th9th7th14th
ln 2
10th17th8th15th
26th18th22nd28th13th10th10th42nd12th15th18th18th11th19th14th16th6th19th18th16th18th6th34th66th14th47th7th24th7th4th7th32nd12th16th11th204th16th12th6th34th7th8th21st7th7th16th5th9th4th9th
Look and Say
15th
32nd39th44th37th16th17th
36th15th25th17th12th15th13th15th
31st22nd34th
14th43rd134th15th20th29th33rd16th10th
46th36th27th10th313th15th22nd
69th27th7th30th7th10th13th10th10th9th11th
Lucky Numbers
15th
20th41st31st27th13th7th
39th15th15th14th13th10th12th11th
74th18th30th
14th27th87th9th14th21st20th15th8th
19th18th22nd6th262nd16th11th
35th25th7th15th6th10th9th9th8th6th9th
Lucky Tickets
33rd
172nd
Medal Tally
33rd
97th
Morse Decoder
25th
96th
Morse Encoder
20th
7th
95th
Musical Chords
28th
82nd
N Queens
139th
Niven Numbers
34th
42nd161st115th89th25th21st
54th23rd41st34th38th27th27th22nd
63rd45th89th
33rd108th359th19th56th55th
36th23rd
54th74th78th21st843rd24th58th
128th71st9th27th21st42nd23rd16th26th16th30th
Niven Numbers (Long)
26th
83rd69th98th22nd22nd
49th17th30th23rd26th22nd23rd23rd
44th38th37th
24th67th152nd16th35th48th
27th18th
31st43rd43rd18th445th21st31st
70th47th13th14th14th26th19th10th17th10th24th
Number Spiral
14th
30th53rd36th30th8th11th
37th11th10th18th16th17th12th10th
24th16th14th
15th33rd85th10th10th35th17th9th6th
14th19th10th7th207th12th13th
38th18th7th20th5th7th8th
5th6th9th
Odious Numbers
32nd
42nd107th99th88th21st25th
45th37th38th30th29th17th29th24th
69th41st73rd
23rd101st333rd16th44th59th45th28th14th
53rd77th67th23rd296th24th60th
134th81st12th30th9th40th19th18th18th10th21st
Odious Numbers (Long)
30th
19th92nd71st68th20th24th
43rd30th29th23rd28th15th19th25th
43rd38th38th
20th63rd139th14th32nd55th
23rd13th
31st41st43rd21st213th22nd26th
58th51st23rd14th11th25th20th8th15th9th19th
Ordinal Numbers
34th
216th
PalindromemordnilaP
30th
171st
Pangram Grep
69th
49th
141st
37th
344th
42nd
Partition Numbers
87th
Pascal’s Triangle
26th
33rd94th66th59th18th18th
45th22nd22nd17th19th15th19th17th
44th24th66th
19th53rd225th15th35th42nd42nd20th14th
50th52nd40th14th377th22nd64th
99th55th10th17th12th25th13th12th16th9th17th
Pernicious Numbers
32nd
43rd116th72nd66th26th23rd
51st26th40th30th33rd25th26th24th
56th36th53rd
31st67th192nd13th40th45th43rd34th18th
53rd53rd59th21st495th22nd63rd
115th64th14th28th13th39th23rd16th23rd10th28th
Pernicious Numbers (Long)
19th
56th41st43rd17th20th
46th19th25th20th18th15th15th24th
27th20th21st
21st45th86th11th24th37th22nd19th12th
20th27th22nd13th224th14th24th
55th34th10th11th9th17th12th10th11th6th12th
Poker
15th
16th
36th
Prime Numbers
37th
64th200th128th109th23rd17th
55th16th35th29th34th18th36th30th
79th50th119th
28th147th254th19th60th59th73rd35th12th
79th79th87th26th621st29th98th
177th90th9th30th7th47th18th20th23rd11th28th
Prime Numbers (Long)
30th
25th119th86th96th19th27th
51st16th32nd28th31st19th23rd30th
51st33rd63rd
24th90th130th26th41st56th51st29th16th
31st50th38th21st336th27th41st
90th56th11th14th16th32nd13th10th17th10th28th
Quine
140th
67th
38th
27th
105th
116th
185th
1st
86th61st
82nd
Recamán
22nd
28th44th50th51st17th10th
39th18th21st14th14th11th13th12th
30th14th31st
15th44th138th14th23rd23rd34th18th9th
23rd27th34th12th262nd16th18th
55th14th8th13th6th14th10th9th13th9th17th
Reverse Polish Notation
37th
32nd
19th
178th
Rijndael S-box
13th
25th35th47th24th8th10th
22nd7th18th13th12th6th19th10th
18th15th8th
13th25th62nd7th10th10th16th10th7th
11th11th7th4th62nd9th8th
30th19th5th21st5th6th8th10th5th6th7th
ROT13
49th
177th
17th
Rule 110
12th
60th40th27th10th8th
33rd14th21st17th10th8th15th10th
26th13th27th
12th35th109th9th19th
11th13th10th
16th18th22nd10th170th10th14th
51st30th7th17th10th9th11th
8th8th10th
Scrambled Sort
85th
Seven Segment
51st
30th
95th
17th
151st
20th
Sierpiński Triangle
15th
71st41st39th12th12th
37th14th21st17th15th11th19th11th
33rd14th32nd
14th38th137th12th22nd
17th18th10th
30th28th28th9th230th14th33rd
52nd35th8th15th12th16th10th
11th8th16th
Smith Numbers
16th
26th41st37th33rd10th9th
32nd10th16th15th14th8th11th15th
23rd11th21st
13th35th80th8th16th18th8th14th10th
17th18th17th10th178th11th12th
50th25th7th15th4th11th9th8th8th6th11th
Spelling Numbers
20th
61st
Star Wars GPT
21st
70th
Tic-tac-toe
111th
Time Distance
20th
92nd
Tongue-twisters
17th
36th50th58th46th11th13th
26th15th21st18th16th17th18th15th
36th12th19th
13th53rd190th10th21st12th34th16th10th
20th28th40th9th79th14th12th
48th32nd6th20th14th13th12th
12th9th12th
Transpose Sentence
37th
11th
116th
Trinomial Triangle
112th
United States
32nd
190th
Vampire Numbers
241st
Van Eck Sequence
20th
25th52nd44th41st16th12th
37th16th18th17th16th10th15th14th
29th21st23rd
14th37th107th12th20th28th26th16th11th
26th24th24th10th213th15th15th
49th32nd9th16th8th13th11th8th10th10th18th
Zeckendorf Representation
31st
139th
Zodiac Signs
16th
25th
62nd
γ
5th20th7th16th
32nd28th18th28th9th6th17th24th9th13th14th18th10th21st11th22nd5th19th9th6th15th10th28th47th17th60th6th23rd8th8th7th9th13th10th7th71st14th11th5th22nd2nd5th20th6th5th16th7th7th5th10th
λ
13th27th12th18th
49th35th25th30th10th9th20th35th14th12th16th21st10th28th10th20th8th34th14th16th20th11th42nd104th20th21st10th37th12th8th9th13th21st16th9th70th15th19th5th35th3rd9th31st13th8th22nd6th10th6th13th
π
15th
11th23rd
66th67th51st43rd15th10th21st39th21st15th22nd23rd12th33rd12th22nd8th49th23rd33rd
7th86th219th21st93rd11th47th12th5th8th55th27th36th11th224th19th37th5th54th9th12th29th10th14th21st7th9th6th9th
τ
13th18th9th20th
44th32nd31st27th15th9th18th35th19th13th19th18th12th23rd12th17th7th37th19th19th34th7th52nd114th15th79th11th32nd9th5th8th44th20th19th10th199th15th23rd5th43rd8th8th24th9th8th20th6th9th6th9th
φ
13th19th9th20th
41st28th31st27th15th13th19th44th28th16th20th22nd12th23rd14th17th9th46th25th30th40th8th48th97th14th76th10th34th8th5th8th40th22nd21st14th355th15th26th6th53rd9th8th25th10th10th20th6th12th6th10th
√2
20th17th10th18th
41st35th39th30th15th14th17th46th18th15th21st23rd11th26th15th16th7th52nd20th31st37th8th71st111th15th63rd9th32nd8th5th8th40th18th22nd14th392nd15th21st6th51st7th8th26th10th9th21st6th14th6th9th
𝑒
14th29th15th19th
55th55th40th39th14th15th18th48th19th16th23rd23rd14th28th14th23rd10th44th19th33rd43rd9th55th115th19th77th15th38th12th5th10th42nd26th24th13th395th42nd32nd7th69th20th8th27th9th12th24th6th11th7th12th