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Constants
π
Pi
e
Euler's Number
φ
Golden Ratio
√2
Square Root of 2
γ
Euler-Mascheroni
ln2
Natural Log of 2
τ
Tau
ℙ
Prime Numbers
Concepts
…
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∄
Transcendental Numbers
ℂ
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∞
Infinity
Fₙ
Fibonacci Numbers
Hₙ
Harmonic Series
₂₈
Number Systems
mod
Modular Arithmetic
496
Perfect Numbers
[…]
Continued Fractions
Identities & Theorems
eiπ
Euler's Identity
a²
Pythagorean Theorem
π(n)
Prime Number Theorem
∫
Fundamental Theorem
4C
Four Colour Theorem
dM
De Moivre's Theorem
Σ
Taylor Series
√π
Gaussian Integral
π/2
Wallis Product
n!
Stirling's Formula
ζ
Riemann Zeta
More Constants
π²/6
Basel Problem
G
Catalan's Constant
ζ(3)
Apéry's Constant
δ
Feigenbaum Constant
eᵖⁱ
Gelfond's Constant
g°
Golden Angle
C₂
Twin Prime Constant
ρ
Plastic Number
K₀
Khinchin's Constant
R
Ramanujan Constant
C₁₀
Champernowne
Ω
Omega Constant
δₛ
Silver Ratio
T
Tribonacci Constant
E
Erdos-Borwein
λ
Conway Constant
L
Liouville's Constant
M
Meissel-Mertens
β
Levy's Constant
Major System
Major System
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Study Pi Sequences
Memory lives in your fingers, not your brain. Use them.
1–6
3
1
4
1
5
9
31
🧤
Mitt
41
🛣️
Road
59
💋
Lip
7–12
2
6
5
3
5
8
26
🌮
Nacho
53
🍋
Lime
58
🍃
Leaf
13–18
9
7
9
3
2
3
97
📚
Book
93
💣
Bomb
23
🧙
Gnome
19–24
8
4
6
2
6
4
84
🧥
Fur
62
⛓️
Chain
64
🌊
Shore
25–30
3
3
8
3
2
7
33
🧟
Mummy
83
🫧
Foam
27
📿
Neck
31–36
9
5
0
2
8
8
95
🔔
Bell
02
☀️
Sun
88
🎉
Viva
37–42
4
1
9
7
1
6
41
🛣️
Road
97
📚
Book
16
🍽️
Dish
43–48
9
3
9
9
3
7
93
💣
Bomb
99
🪠
Pipe
37
☕
Mug
49–54
5
1
0
5
8
2
51
🅿️
Lot
05
⛵
Sail
82
🌀
Fan
55–60
0
9
7
4
9
4
09
🍲
Soup
74
🐦⬛
Crow
94
🐻
Bear
61–66
4
5
9
2
3
0
45
🚂
Rail
92
🦴
Bone
30
🐭
Mouse
67–72
7
8
1
6
4
0
78
🕳️
Cave
16
🍽️
Dish
40
🌹
Rose
73–78
6
2
8
6
2
0
62
⛓️
Chain
86
🐟
Fish
20
👃
Nose
79–84
8
9
9
8
6
2
89
🎶
Vibe
98
🥩
Beef
62
⛓️
Chain
85–90
8
0
3
4
8
2
80
😊
Face
34
🐴
Mare
82
🌀
Fan
91–96
5
3
4
2
1
1
53
🍋
Lime
42
🌧️
Rain
11
🐸
Toad
97–102
7
0
6
7
9
8
70
🪿
Goose
67
⚡
Shock
98
🥩
Beef
103–108
2
1
4
8
0
8
21
🕸️
Net
48
🏠
Roof
08
🔒
Safe
109–114
6
5
1
3
2
8
65
🐚
Shell
13
⚰️
Tomb
28
⚓
Navy
115–120
2
3
0
6
6
4
23
🧙
Gnome
06
🌿
Sage
64
🌊
Shore
121–126
7
0
9
3
8
4
70
🪿
Goose
93
💣
Bomb
84
🧥
Fur
127–132
4
6
0
9
5
5
46
⛰️
Ridge
09
🍲
Soup
55
💐
Lily
133–138
0
5
8
2
2
3
05
⛵
Sail
82
🌀
Fan
23
🧙
Gnome
139–144
1
7
2
5
3
5
17
🦆
Duck
25
🔨
Nail
35
🦔
Mole
145–150
9
4
0
8
1
2
94
🐻
Bear
08
🔒
Safe
12
🥫
Tin
151–156
8
4
8
1
1
1
84
🧥
Fur
81
👟
Foot
11
🐸
Toad
157–162
7
4
5
0
2
8
74
🐦⬛
Crow
50
🤠
Lasso
28
⚓
Navy
163–168
4
1
0
2
7
0
41
🛣️
Road
02
☀️
Sun
70
🪿
Goose
169–174
1
9
3
8
5
2
19
🛀
Tub
38
🎩
Mafia
52
🦁
Lion
175–180
1
1
0
5
5
5
11
🐸
Toad
05
⛵
Sail
55
💐
Lily
181–186
9
6
4
4
6
2
96
🏖️
Beach
44
🐊
Roar
62
⛓️
Chain
187–192
2
9
4
8
9
5
29
💤
Nap
48
🏠
Roof
95
🔔
Bell
193–198
4
9
3
0
3
8
49
🪢
Rope
30
🐭
Mouse
38
🎩
Mafia
199–204
1
9
6
4
4
2
19
🛀
Tub
64
🌊
Shore
42
🌧️
Rain
205–210
8
8
1
0
9
7
88
🎉
Viva
10
🦶
Toes
97
📚
Book
211–216
5
6
6
5
9
3
56
🐛
Leech
65
🐚
Shell
93
💣
Bomb
217–222
3
4
4
6
1
2
34
🐴
Mare
46
⛰️
Ridge
12
🥫
Tin
223–228
8
4
7
5
6
4
84
🧥
Fur
75
🖤
Coal
64
🌊
Shore
229–234
8
2
3
3
7
8
82
🌀
Fan
33
🧟
Mummy
78
🕳️
Cave
235–240
6
7
8
3
1
6
67
⚡
Shock
83
🫧
Foam
16
🍽️
Dish
241–246
5
2
7
1
2
0
52
🦁
Lion
71
🐱
Cat
20
👃
Nose
247–252
1
9
0
9
1
4
19
🛀
Tub
09
🍲
Soup
14
🗼
Tower
253–258
5
6
4
8
5
6
56
🐛
Leech
48
🏠
Roof
56
🐛
Leech
259–264
6
9
2
3
4
6
69
🚢
Ship
23
🧙
Gnome
46
⛰️
Ridge
265–270
0
3
4
8
6
1
03
🧵
Seam
48
🏠
Roof
61
🐆
Cheetah
271–276
0
4
5
4
3
2
04
🩹
Sore
54
🎣
Lure
32
🌙
Moon
277–282
6
6
4
8
2
1
66
⚖️
Judge
48
🏠
Roof
21
🕸️
Net
283–288
3
3
9
3
6
0
33
🧟
Mummy
93
💣
Bomb
60
🏃
Chase
289–294
7
2
6
0
2
4
72
🪙
Coin
60
🏃
Chase
24
👩⚕️
Nurse
295–300
9
1
4
1
2
7
91
🦇
Bat
41
🛣️
Road
27
📿
Neck
301–306
3
7
2
4
5
8
37
☕
Mug
24
👩⚕️
Nurse
58
🍃
Leaf
307–312
7
0
0
6
6
0
70
🪿
Goose
06
🌿
Sage
60
🏃
Chase
313–318
6
3
1
5
5
8
63
🐒
Chimp
15
🛁
Towel
58
🍃
Leaf
319–324
8
1
7
4
8
8
81
👟
Foot
74
🐦⬛
Crow
88
🎉
Viva
325–330
1
5
2
0
9
2
15
🛁
Towel
20
👃
Nose
92
🦴
Bone
331–336
0
9
6
2
8
2
09
🍲
Soup
62
⛓️
Chain
82
🌀
Fan
337–342
9
2
5
4
0
9
92
🦴
Bone
54
🎣
Lure
09
🍲
Soup
343–348
1
7
1
5
3
6
17
🦆
Duck
15
🛁
Towel
36
🔥
Match
349–354
4
3
6
7
8
9
43
🐏
Ram
67
⚡
Shock
89
🎶
Vibe
355–360
2
5
9
0
3
6
25
🔨
Nail
90
🚌
Bus
36
🔥
Match
361–366
0
0
1
1
3
3
00
🍝
Sauce
11
🐸
Toad
33
🧟
Mummy
367–372
0
5
3
0
5
4
05
⛵
Sail
30
🐭
Mouse
54
🎣
Lure
373–378
8
8
2
0
4
6
88
🎉
Viva
20
👃
Nose
46
⛰️
Ridge
379–384
6
5
2
1
3
8
65
🐚
Shell
21
🕸️
Net
38
🎩
Mafia
385–390
4
1
4
6
9
5
41
🛣️
Road
46
⛰️
Ridge
95
🔔
Bell
391–396
1
9
4
1
5
1
19
🛀
Tub
41
🛣️
Road
51
🅿️
Lot
397–402
1
6
0
9
4
3
16
🍽️
Dish
09
🍲
Soup
43
🐏
Ram
403–408
3
0
5
7
2
7
30
🐭
Mouse
57
🔐
Lock
27
📿
Neck
409–414
0
3
6
5
7
5
03
🧵
Seam
65
🐚
Shell
75
🖤
Coal
415–420
9
5
9
1
9
5
95
🔔
Bell
91
🦇
Bat
95
🔔
Bell
421–426
3
0
9
2
1
8
30
🐭
Mouse
92
🦴
Bone
18
🕊️
Dove
427–432
6
1
1
7
3
8
61
🐆
Cheetah
17
🦆
Duck
38
🎩
Mafia
433–438
1
9
3
2
6
1
19
🛀
Tub
32
🌙
Moon
61
🐆
Cheetah
439–444
1
7
9
3
1
0
17
🦆
Duck
93
💣
Bomb
10
🦶
Toes
445–450
5
1
1
8
5
4
51
🅿️
Lot
18
🕊️
Dove
54
🎣
Lure
451–456
8
0
7
4
4
6
80
😊
Face
74
🐦⬛
Crow
46
⛰️
Ridge
457–462
2
3
7
9
9
6
23
🧙
Gnome
79
🚕
Cab
96
🏖️
Beach
463–468
2
7
4
9
5
6
27
📿
Neck
49
🪢
Rope
56
🐛
Leech
469–474
7
3
5
1
8
8
73
🪮
Comb
51
🅿️
Lot
88
🎉
Viva
475–480
5
7
5
2
7
2
57
🔐
Lock
52
🦁
Lion
72
🪙
Coin
481–486
4
8
9
1
2
2
48
🏠
Roof
91
🦇
Bat
22
⛪
Nun
487–492
7
9
3
8
1
8
79
🚕
Cab
38
🎩
Mafia
18
🕊️
Dove
493–498
3
0
1
1
9
4
30
🐭
Mouse
11
🐸
Toad
94
🐻
Bear
499–504
9
1
2
9
8
3
91
🦇
Bat
29
💤
Nap
83
🫧
Foam
505–510
3
6
7
3
3
6
36
🔥
Match
73
🪮
Comb
36
🔥
Match
511–516
2
4
4
0
6
5
24
👩⚕️
Nurse
40
🌹
Rose
65
🐚
Shell
517–522
6
6
4
3
0
8
66
⚖️
Judge
43
🐏
Ram
08
🔒
Safe
523–528
6
0
2
1
3
9
60
🏃
Chase
21
🕸️
Net
39
🗺️
Map
529–534
4
9
4
6
3
9
49
🪢
Rope
46
⛰️
Ridge
39
🗺️
Map
535–540
5
2
2
4
7
3
52
🦁
Lion
24
👩⚕️
Nurse
73
🪮
Comb
541–546
7
1
9
0
7
0
71
🐱
Cat
90
🚌
Bus
70
🪿
Goose
547–552
2
1
7
9
8
6
21
🕸️
Net
79
🚕
Cab
86
🐟
Fish
553–558
0
9
4
3
7
0
09
🍲
Soup
43
🐏
Ram
70
🪿
Goose
559–564
2
7
7
0
5
3
27
📿
Neck
70
🪿
Goose
53
🍋
Lime
565–570
9
2
1
7
1
7
92
🦴
Bone
17
🦆
Duck
17
🦆
Duck
571–576
6
2
9
3
1
7
62
⛓️
Chain
93
💣
Bomb
17
🦆
Duck
577–582
6
7
5
2
3
8
67
⚡
Shock
52
🦁
Lion
38
🎩
Mafia
583–588
4
6
7
4
8
1
46
⛰️
Ridge
74
🐦⬛
Crow
81
👟
Foot
589–594
8
4
6
7
6
6
84
🧥
Fur
67
⚡
Shock
66
⚖️
Judge
595–600
9
4
0
5
1
3
94
🐻
Bear
05
⛵
Sail
13
⚰️
Tomb
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