Thống kê Phân phối Tần suất của Chữ số 0 đến 9 trong Pi

Chúng tôi đã đếm số lần xuất hiện và tần suất của các chữ số từ 0 đến 9 trong 100 tỷ chữ số đầu tiên của pi. Chúng tôi nhận thấy rằng khi số chữ số của pi tăng, tần suất của chúng dần dần trở nên trung bình.

Trong 100 tỷ chữ số đầu tiên của pi, từ ít đến nhiều chữ số, chúng tôi đã ghi dữ liệu riêng về phân phối của 82 bộ số khác nhau. Số lần xuất hiện được liệt kê ở phía trên và tần suất được liệt kê ở phía dưới.

Bảng tần suất của mỗi chữ số trong 100 tỷ chữ số đầu tiên của Pi

# Chữ số 0 1 2 3 4 5 6 7 8 9
1 10 00.00% 220.00% 110.00% 220.00% 110.00% 220.00% 110.00% 00.00% 00.00% 110.00%
2 20 00.00% 210.00% 210.00% 420.00% 210.00% 315.00% 15.00% 15.00% 210.00% 315.00%
3 30 00.00% 26.67% 413.33% 723.33% 310.00% 310.00% 310.00% 26.67% 310.00% 310.00%
4 40 12.50% 37.50% 512.50% 717.50% 410.00% 410.00% 37.50% 37.50% 512.50% 512.50%
5 50 12.00% 510.00% 510.00% 918.00% 48.00% 510.00% 48.00% 48.00% 510.00% 816.00%
6 60 35.00% 58.33% 610.00% 915.00% 610.00% 610.00% 46.67% 58.33% 610.00% 1016.67%
7 70 45.71% 68.57% 710.00% 1014.29% 710.00% 710.00% 57.14% 68.57% 710.00% 1115.71%
8 80 67.50% 67.50% 911.25% 1012.50% 810.00% 78.75% 78.75% 67.50% 911.25% 1215.00%
9 90 77.78% 66.67% 1112.22% 1112.22% 910.00% 77.78% 88.89% 66.67% 1213.33% 1314.44%
10 100 88.00% 88.00% 1212.00% 1212.00% 1010.00% 88.00% 99.00% 88.00% 1212.00% 1313.00%
11 200 199.50% 2010.00% 2412.00% 2010.00% 2211.00% 2010.00% 157.50% 126.00% 2512.50% 2311.50%
12 300 268.67% 3010.00% 3511.67% 3110.33% 3712.33% 279.00% 3110.33% 196.33% 3411.33% 3010.00%
13 400 399.75% 4310.75% 4411.00% 4010.00% 4611.50% 399.75% 4210.50% 246.00% 4411.00% 399.75%
14 500 459.00% 5911.80% 5310.60% 5110.20% 5310.60% 5010.00% 489.60% 367.20% 5310.60% 5210.40%
15 600 549.00% 6711.17% 6310.50% 6410.67% 6410.67% 559.17% 6210.33% 508.33% 599.83% 6210.33%
16 700 649.14% 7610.86% 7510.71% 7210.29% 7310.43% 669.43% 7010.00% 659.29% 689.71% 7110.14%
17 800 749.25% 9211.50% 8310.38% 8010.00% 8010.00% 739.13% 779.63% 759.38% 769.50% 9011.25%
18 900 869.56% 10311.44% 9310.33% 9410.44% 899.89% 849.33% 859.44% 839.22% 889.78% 9510.56%
19 1,000 939.30% 11611.60% 10310.30% 10310.30% 939.30% 979.70% 949.40% 959.50% 10110.10% 10510.50%
20 2,000 1829.10% 21210.60% 20710.35% 1899.45% 1959.75% 20510.25% 20010.00% 1979.85% 20210.10% 21110.55%
21 3,000 2598.63% 30810.27% 30310.10% 2668.87% 31810.60% 31510.50% 30210.07% 2879.57% 31010.33% 33211.07%
22 4,000 3629.05% 42910.73% 40810.20% 3699.23% 40510.13% 41710.43% 3979.93% 3779.43% 40510.13% 43110.78%
23 5,000 4669.32% 53110.62% 4969.92% 4609.20% 50810.16% 52510.50% 51310.26% 4889.76% 4929.84% 52110.42%
24 6,000 5569.27% 62610.43% 5949.90% 5739.55% 61310.22% 62210.37% 61910.32% 60610.10% 5829.70% 60910.15%
25 7,000 6579.39% 73310.47% 6929.89% 6879.81% 70210.03% 73010.43% 70810.11% 6939.90% 6809.71% 71810.26%
26 8,000 7549.43% 83310.41% 81110.14% 7829.78% 80910.11% 83410.43% 81610.20% 7859.81% 7649.55% 81210.15%
27 9,000 8559.50% 93610.40% 91110.12% 8859.83% 91010.11% 93210.36% 91410.16% 8839.81% 8549.49% 92010.22%
28 10,000 9689.68% 102610.26% 102110.21% 9759.75% 101210.12% 104610.46% 102110.21% 9709.70% 9479.47% 101410.14%
29 20,000 19549.77% 19979.99% 19869.93% 19879.94% 204310.22% 208210.41% 201710.09% 19539.77% 19619.81% 202010.10%
30 30,000 29989.99% 304810.16% 28979.66% 29799.93% 305710.19% 304910.16% 301210.04% 29749.91% 29729.91% 301410.05%
31 40,000 39899.97% 406010.15% 38929.73% 39729.93% 401410.04% 404010.10% 402610.07% 39779.94% 403210.08% 399810.00%
32 50,000 503310.07% 505410.11% 48679.73% 49489.90% 501110.02% 505210.10% 501810.04% 49779.95% 503010.06% 501010.02%
33 60,000 600910.02% 607110.12% 58949.82% 59769.96% 59839.97% 608610.14% 59809.97% 59959.99% 601510.03% 59919.99%
34 70,000 69929.99% 710610.15% 68929.85% 701810.03% 69489.93% 703310.05% 69669.95% 704710.07% 701310.02% 69859.98%
35 80,000 79729.97% 814110.18% 79209.90% 79769.97% 79579.95% 804410.06% 802510.03% 803110.04% 79539.94% 79819.98%
36 90,000 89909.99% 919310.21% 88879.87% 902010.02% 89579.95% 902610.03% 89929.99% 902810.03% 89539.95% 89549.95%
37 100,000 999910.00% 1013710.14% 99089.91% 1002610.03% 99719.97% 1002610.03% 1002810.03% 1002510.03% 99789.98% 99029.90%
38 200,000 2010410.05% 2006310.03% 198929.95% 2001110.01% 198749.94% 2019910.10% 198989.95% 2016310.08% 199559.98% 198419.92%
39 300,000 3000110.00% 3003410.01% 298799.96% 3013910.05% 298449.95% 3027210.09% 298909.96% 3022610.08% 299269.98% 297899.93%
40 400,000 4001310.00% 4006910.02% 398139.95% 4009810.02% 4009310.02% 4026110.07% 398599.96% 4027810.07% 398149.95% 397029.93%
41 500,000 499159.98% 4998410.00% 497529.95% 5000110.00% 5035710.07% 5023510.05% 498249.96% 5023010.05% 499119.98% 497919.96%
42 600,000 6001910.00% 598749.98% 596279.94% 6005110.01% 6047510.08% 6017710.03% 597619.96% 6014510.02% 6001510.00% 598569.98%
43 700,000 7003710.01% 698399.98% 697969.97% 6999410.00% 7060110.09% 7018010.03% 695779.94% 6997610.00% 7013810.02% 698629.98%
44 800,000 799499.99% 798519.98% 798729.98% 7996310.00% 8044710.06% 8029810.04% 796509.96% 798839.99% 8016710.02% 799209.99%
45 900,000 8999510.00% 897789.98% 899129.99% 9007010.01% 9033010.04% 9018010.02% 895749.95% 898659.99% 9021410.02% 9008210.01%
46 1,000,000 9995910.00% 997579.98% 10002610.00% 10023010.02% 10023010.02% 10035910.04% 995489.95% 998009.98% 9998510.00% 10010610.01%
47 2,000,000 1997929.99% 1995359.98% 20007710.00% 20014210.01% 20008310.00% 20052110.03% 1994039.97% 20031010.02% 1994479.97% 20069010.03%
48 3,000,000 2994519.98% 2996409.99% 29986710.00% 30031110.01% 30023410.01% 30034210.01% 2994619.98% 30065510.02% 2994409.98% 30059910.02%
49 4,000,000 3994189.99% 3994639.99% 39982210.00% 39991410.00% 40079210.02% 40003210.00% 3990329.98% 40065010.02% 40018310.00% 40069410.02%
50 5,000,000 4996209.99% 49989810.00% 4995089.99% 49993410.00% 50054410.01% 50002410.00% 4987589.98% 50088010.02% 49988010.00% 50095410.02%
51 6,000,000 5994769.99% 60034610.01% 5996829.99% 59997710.00% 60035710.01% 59976910.00% 5984389.97% 60077910.01% 60025510.00% 60092110.02%
52 7,000,000 6993239.99% 70045610.01% 69994810.00% 70033010.00% 70026610.00% 69983710.00% 6984289.98% 70041010.01% 70055110.01% 70045110.01%
53 8,000,000 7991119.99% 80011010.00% 79978810.00% 80023510.00% 80020110.00% 80015410.00% 7988859.99% 80056010.01% 80063810.01% 80031810.00%
54 9,000,000 8988249.99% 89991010.00% 89996110.00% 89982210.00% 90094910.01% 90063210.01% 8992439.99% 90044510.00% 90020910.00% 90000510.00%
55 10,000,000 9994409.99% 9993339.99% 100030610.00% 99996510.00% 100109310.01% 100046610.00% 9993379.99% 100020610.00% 99981410.00% 100004010.00%
56 20,000,000 200116210.01% 199983210.00% 200140910.01% 199934410.00% 200110510.01% 200012510.00% 199926910.00% 19984049.99% 199972010.00% 199963010.00%
57 30,000,000 299915710.00% 300055310.00% 300096910.00% 299922310.00% 300259310.01% 299999710.00% 299954810.00% 29981759.99% 299959210.00% 300019310.00%
58 40,000,000 399862010.00% 400068910.00% 400175410.00% 399904610.00% 400229710.01% 400067810.00% 399880410.00% 399868510.00% 399871110.00% 400071610.00%
59 50,000,000 499963210.00% 500222010.00% 500057310.00% 499863110.00% 500400810.01% 499979710.00% 499801710.00% 499889510.00% 499849410.00% 499973310.00%
60 60,000,000 600098910.00% 600295710.00% 600049610.00% 599806610.00% 600357310.01% 599845410.00% 599777610.00% 599849910.00% 599966610.00% 599952410.00%
61 70,000,000 699875210.00% 700422910.01% 700075510.00% 699958210.00% 700296210.00% 699686210.00% 699793310.00% 699851410.00% 700096510.00% 699944610.00%
62 80,000,000 799880710.00% 800278810.00% 800182710.00% 799765710.00% 800352510.00% 799650010.00% 799816510.00% 799938910.00% 800030810.00% 800103410.00%
63 90,000,000 899906110.00% 900229910.00% 900183210.00% 899911510.00% 900443710.00% 89948369.99% 899890210.00% 899896310.00% 900094710.00% 899960810.00%
64 100,000,000 999992210.00% 1000247510.00% 1000109110.00% 999844310.00% 1000386310.00% 99934789.99% 999941710.00% 999961010.00% 1000218010.00% 999952110.00%
65 200,000,000 1999743710.00% 2000377410.00% 2000218510.00% 2000141110.00% 1999984610.00% 1999303110.00% 1999916110.00% 2000028710.00% 2000230710.00% 2000056110.00%
66 300,000,000 2999835610.00% 3000058210.00% 3000633710.00% 2999986810.00% 2999981010.00% 2999309910.00% 2999891310.00% 2999907110.00% 3000368210.00% 3000028210.00%
67 400,000,000 3999604810.00% 3999737510.00% 4001179110.00% 3999503010.00% 4000101410.00% 3999212310.00% 4000189910.00% 4000031410.00% 4000573510.00% 3999867110.00%
68 500,000,000 4999527910.00% 5000043710.00% 5001143610.00% 4999241010.00% 5000512110.00% 4999067810.00% 4999882010.00% 5000031910.00% 5000663210.00% 4999886810.00%
69 600,000,000 5999172510.00% 5999759710.00% 6000859110.00% 5999255910.00% 6000799010.00% 5999021110.00% 6000389510.00% 5999877210.00% 6001095810.00% 5999770210.00%
70 700,000,000 6998989110.00% 6999775510.00% 7000649710.00% 6999402910.00% 7000958110.00% 6999453610.00% 7000379510.00% 6999701410.00% 7000516110.00% 7000174110.00%
71 800,000,000 7999189710.00% 7999700310.00% 8000331610.00% 7998965210.00% 8001607310.00% 7999612010.00% 8000414810.00% 7999510910.00% 8000293210.00% 8000375010.00%
72 900,000,000 8999120810.00% 8999838110.00% 9000096810.00% 8999008410.00% 9001313210.00% 8999608610.00% 9000641210.00% 8999565810.00% 9000197910.00% 9000609210.00%
73 1,000,000,000 9999394210.00% 9999733410.00% 10000241010.00% 9998691210.00% 10001195810.00% 9999888510.00% 10001038710.00% 9999606110.00% 10000183910.00% 10000027210.00%
74 2,000,000,000 19999431610.00% 19999528410.00% 19999257510.00% 19999947110.00% 20001436810.00% 19998985210.00% 20000478510.00% 19997929310.00% 20001784410.00% 20001221210.00%
75 3,000,000,000 29999914310.00% 29999593210.00% 29998912610.00% 29999229110.00% 30000225710.00% 29997901610.00% 30002544710.00% 29997551010.00% 30001654910.00% 30002472910.00%
76 4,000,000,000 40000123310.00% 40000228510.00% 39996540510.00% 39998447010.00% 40000693610.00% 39998905210.00% 40003303410.00% 39999612210.00% 40000474110.00% 40001672210.00%
77 5,000,000,000 49998900110.00% 50003412710.00% 49998494910.00% 49999032210.00% 49997828410.00% 49999535210.00% 50001981810.00% 50000170210.00% 49999052210.00% 50001592310.00%
78 6,000,000,000 59996300510.00% 60003326010.00% 59999916910.00% 60000024410.00% 59995743910.00% 60001717610.00% 60001658810.00% 60000904310.00% 59998703810.00% 60001703810.00%
79 7,000,000,000 69997157910.00% 70003228710.00% 70001446210.00% 69999086510.00% 69995649110.00% 70000709510.00% 70000146010.00% 70000794310.00% 69999152210.00% 70002629610.00%
80 8,000,000,000 79995983910.00% 80003117210.00% 80001683410.00% 79998588710.00% 79994299110.00% 79999530210.00% 80000338310.00% 80001274510.00% 80001122910.00% 80004061810.00%
81 9,000,000,000 89995781310.00% 90003037510.00% 90001614110.00% 89999275310.00% 89994181010.00% 89999775010.00% 90000218310.00% 90002338110.00% 89999171810.00% 90004607610.00%
82 10,000,000,000 99996799410.00% 100003779010.00% 100001727110.00% 99997648410.00% 99993768810.00% 100000792810.00% 99998573110.00% 100004133010.00% 99999177210.00% 100003601210.00%

Phân phối chữ số trong Pi

Sau khi đếm số lần xuất hiện của các chữ số từ 0 đến 9 trong 100 tỷ chữ số đầu tiên của pi, chúng ta có thể dễ dàng phát hiện rằng các chữ số của pi được phân phối ngẫu nhiên và đồng đều. Tần suất của các chữ số từ 0 đến 9 là bằng nhau.

Nguồn Dữ liệu Pi

Chúng tôi cung cấp tải xuống 100 tỷ chữ số đầu tiên của pi. Bạn có thể tải xuống dữ liệu pi từ trang tải xuống và phân tích hoặc biên soạn dữ liệu tự mình.

Nhấp để chuyển đến trang tải xuống của pi.