Pi

Decimal Digits: 10,000,000,000,050

Hexadecimal Digits: 8,304,820,237,260

By Alexander J. Yee

(Last updated: December 22, 2013)

 

Notable Large Computations:

Here is a list of notable large computations that have been done using y-cruncher.

Date Completed: Who: Decimal Digits: Compute Time: Computer: Comments:
October 16, 2011 Shigeru Kondo &
Alexander Yee
10,000,000,000,050 Compute:  371 days
Verify:  45 hours
2 x Intel Xeon X5680 @ 3.33 GHz
96 GB DDR3 @ 1066 MHz
24 x 2 TB
World Record Size Computation
August 2, 2010 Shigeru Kondo &
Alexander Yee
5,000,000,000,000 Compute:  90 days
Verify:  64 hours
2 x Intel Xeon X5680 @ 3.33 GHz
96 GB DDR3 @ 1066 MHz
16 x 2 TB
World Record Size Computation
May 1, 2010 Shigeru Kondo 1,000,000,000,000 Compute: 12 days, 9 hours 2 x Intel Xeon X5650 @ 2.66 GHz
96 GB DDR3 @ 1066 MHz
16 x 2 TB
Screenshot
Validation
March 22, 2010 Shigeru Kondo 500,000,000,000 Compute: 172 hours, 24 minutes 2 x Intel Xeon W5590 @ 3.33 GHz
144 GB DDR3
16 x 2 TB
Screenshot
Validation
March 15, 2010 Shigeru Kondo 250,000,000,000 Compute: 83 hours, 35 minutes 2 x Intel Xeon W5590 @ 3.33 GHz
144 GB DDR3
8 x 2 TB
Screenshot
Validation
February 23, 2010 Alexander Yee 100,000,000,000 Compute: 53 hours, 40 minutes Intel Core i7 920 (Overclock 3.5 GHz)
12 GB DDR3 @ 1333 MHz
Asus Rampage II GENE
4 x 2 TB Hitachi
Torture Test for v0.5.2
December 19, 2009 W. Wong & R. Chang 50,000,000,000 Compute: 23 hours, 44 minutes 4 x AMD Opteron 8356 @ 2.3 GHz
128 GB DDR2
600 GB FusionIO
Computation Statistics
October 6, 2009 Shigeru Kondo 50,000,000,000 Compute: 31 hours, 11 minutes 2 x Intel Xeon W5590 @ 3.33 GHz
72 GB DDR3
1 TB Hitachi
Virtual Memory Thrashing
July 27, 2009 Shigeru Kondo 34,359,738,368 Compute: 8 hours, 38 minutes 2 x Intel Xeon W5580 @ 3.2 GHz
72 GB DDR3
1 TB Hitachi
New Speed Record?
February 3, 2009 A. Yee & R. Chan 31,026,000,000 Compute:  9 hours, 8 minutes
Verify:  13 hours, 17 minutes
"Nagisa" New Speed Record?

Selected Digits:

Below a list of selected digits. These can be used to verify your own computations.

3.
3.
1415926535 8979323846 2643383279 5028841971 6939937510 : 50
5820974944 5923078164 0628620899 8628034825 3421170679 : 100
243f6a8885 a308d31319 8a2e037073 44a4093822 299f31d008 : 50
2efa98ec4e 6c89452821 e638d01377 be5466cf34 e90c6cc0ac : 100
4610126483 6999892256 9596881592 0560010165 5256375678 : 10,000
6683008238 3404656475 8804051380 8016336388 7421637140 : 12,000
1173213138 9574706208 8474802365 3710311508 9842799275 : 15,000
2968106203 7765788371 6690910941 8074487814 0490755178 : 20,000
8353013617 8653673760 6421667781 3773995100 6589528877 : 25,000
5091576463 9074693619 8815078146 8526213325 2473837651 : 40,000
0652623405 3394391421 1127181069 1052290024 6574236041 : 50,000
1716133957 5779076637 0764569570 2597388004 3841580589 : 75,000
f169b5f18a 8c73ee0b5e 57368f6c79 f4bb7a5959 26aab49ec6 : 10,000
5b9db31d42 a7cec064fa 0e398d479a cab707be15 0a28f3754d : 12,000
6f9307bb8a 14b7194207 b5105c8184 d3c3a12ddc 77519f2967 : 15,000
048e85ffcf 7de4ab5d3b a794f55a19 ade71d485b ebf50c76da : 20,000
95b6c2fe57 bd0f1f3604 0be9593717 e742e40c6a cb3cc4804c : 25,000
68f51dffb6 9115c15118 a79a75c8c3 dd48243cc5 5a7792f7e3 : 40,000
08ce5db764 25c7b4bc66 1001cbc30e 805c6db26c 2a35ab5135 : 50,000
a3327fd065 f0c4d23f82 f48a26bb03 abbd9f66e0 1b4f748a88 : 75,000
7015078933 7728658035 7127909137 6742080565 5493624646 : 100,000
6136953089 9547584883 0242619627 5898594151 3780515805 : 120,000
8500384293 8167759796 1912729990 4591343960 4283622782 : 150,000
0400704911 1330970230 4687661585 7483135080 1444759928 : 200,000
5140252095 1792646811 5682982031 3618827396 4266233216 : 250,000
4956017828 2456727368 5631218502 0980470362 4641761986 : 400,000
4953622322 2219746596 1933252907 4042487602 5138195242 : 500,000
8761414451 9713784817 6211789772 4143554673 5467024250 : 750,000
4433887510 69558b3e62 e612bc302e c487aa9a6e a22673c1a5 : 100,000
29a1495caf 0959fceb05 7310cc4418 0a681b80ac d87224bcf6 : 120,000
71536e8a9d f5726f9e96 359c6e21f4 08b306e192 829f0b396c : 150,000
3e2ed27c44 bc12132a50 c3a822ef56 bbc81e2feb 5ca9556d6b : 200,000
19d0a1a806 4bdaaea805 cce3ffae23 60adc248e7 83d94e8399 : 250,000
5c47de610f 9004f270f6 6fe91a3e41 48b5e105a7 d3061c7da8 : 400,000
bc3e74041b 0e51d934db 4d83d7fca2 0e6a493bfa 20a3622bf3 : 500,000
37dad447f7 c22fbc55f8 1d7cac2cf6 a6ead1a217 35f6e23c76 : 750,000
5678796130 3311646283 9963464604 2209010610 5779458151 : 1,000,000
8653704276 8589418353 8706624969 4535897512 9763649216 : 1,200,000
7293649500 4049671124 7947151173 1960773799 1914462295 : 1,500,000
2907174473 5892565046 1663735632 3687106519 1457297909 : 2,000,000
0962872052 7420345883 0294305194 4240317833 1476913570 : 2,500,000
6667851395 4724032259 8065882978 5967469747 3349203390 : 4,000,000
4886585519 1846702365 4217617835 0518172132 0764619715 : 5,000,000
5377913223 9928659517 0653604450 1005321525 5014054157 : 7,500,000
bc89273abb ced2884ada a7f46c59b4 4c28e672c2 9ffd342362 : 1,000,000
0aba1a608d fe6741de2d a1547eb702 6696fc1fca fdbcf1c7f8 : 1,200,000
85426f68a5 8097eb6ebb 36c11df5f6 70fc730acd 8853271e67 : 1,500,000
6debf13cc5 2760f9ff7a 409dc3fe5b 5ed82b210b 8d84510702 : 2,000,000
d4f109e43b 6981fe4cae fda2ef9196 12eb1f4de8 b679f92b53 : 2,500,000
1e1d8dcaae 7c727e8be9 0902c012a7 72ba80be91 6027e79c89 : 4,000,000
794f77ee73 5983d871a0 89720ebbea 9db02184a8 2546cbf41b : 5,000,000
9b8e2cf109 351a0ee506 fda60be5ea b4d43389d0 8ebd73638d : 7,500,000
6532655319 4060999469 7873338106 3171948173 5348955897 : 10,000,000
8601538500 5804204781 4259627825 6213419453 8393719439 : 12,000,000
7964520526 3473393286 0749793239 3150314117 2775669803 : 15,000,000
9507244789 5232808191 1162910558 0138004933 8634527644 : 20,000,000
0786411592 4597806944 2455112852 2554677483 6191884322 : 25,000,000
1554947489 1739340818 7587103799 9039668830 1558150727 : 40,000,000
5130045796 0464561703 2424263071 4554183801 7945652654 : 50,000,000
3622218827 1876374415 8642291025 9143309437 5830289947 : 75,000,000
d54d9cfdd1 53adf017ee ead0fdaf40 7f653df38a c1a42e06a1 : 10,000,000
d6c0c9e440 7fd9a5f985 d89d0630cd b46246ece7 0de184fff1 : 12,000,000
633a054372 230e55e1b3 d1a4d3d4b8 e2eb6c4f46 c329a0feef : 15,000,000
bfe3338f69 96f585e251 ae04d0391d f967597199 b45aa8aeef : 20,000,000
6560c14554 67c9e2904d 4ca3674ba9 36e8b28f28 2ec8b9ab50 : 25,000,000
4815170ae6 37b67ddf89 19bf1f7a49 b55b80d764 b1356963f1 : 40,000,000
d672da992c 27699c79ec 3951a5bf16 3c922e97cb 76902a453c : 50,000,000
985c68e87a 6f333fdd0f 54493b973a 2fae030749 b7bf0598ae : 75,000,000
7572203175 2074898161 1683139375 1497058112 0187751592 : 100,000,000
5104759262 1298284894 1259405617 1838730897 4767965950 : 120,000,000
3128942413 9360224684 0575298095 6842990965 9910630131 : 150,000,000
7027277810 7370562338 9365687481 8320432202 2549381399 : 200,000,000
9958866734 1705167068 8515785208 0067520395 3452027780 : 250,000,000
1383889623 3104782220 2348416373 0678352848 9092823653 : 400,000,000
5002477883 0364214864 5906800532 7052368734 3293261427 : 500,000,000
9273220534 4584435023 3030974176 4989426914 9620136988 : 750,000,000
ac52a62fae a66611418d 1ddbd24b88 80bbdd60e4 9c3939abae : 100,000,000
aad69686a8 5ca79492fb 7b1318bb4a 9678cd6d93 280a273963 : 120,000,000
4bf25fe23f 3f93a0f5be fee6f7a42e 730b1c66fb b21db7b375 : 150,000,000
679c237408 b83f0393bc 1717349db1 aa5627e856 73458931f3 : 200,000,000
619d2e483a 0f00af6f6f 3c75f8dac3 5a44f746c6 c442d1de8d : 250,000,000
b75743a58d 65d61c2018 268997544f 91d42d6808 71764295ff : 400,000,000
9fa3f95c6f fe1659b599 ee51d430e3 04262b5af3 abca7c731a : 500,000,000
8851c3027f aa56edb654 3413cb475b b473818cac 8204cf85a1 : 750,000,000
7139868209 3196353628 2046127557 1517139511 5275045519 : 1,000,000,000
7291259308 1212086869 1293106223 2286344463 6299583604 : 1,200,000,000
2864537808 2135603814 8559147640 7275830638 1217050377 : 1,500,000,000
8643081314 7294569162 3040839037 5838922302 3009559510 : 2,000,000,000
9228502005 4677489552 2459688725 5242233502 7255998083 : 2,500,000,000
4165780256 6664407261 8181412099 9437534306 2268447216 : 4,000,000,000
0914971996 1298184401 9216126684 9425834935 5440797257 : 5,000,000,000
3385475953 1966806178 8883744753 1199654781 9032053672 : 7,500,000,000
bc5afd7356 636ae918be 7edac320b0 4aa82f160d 4a9a95faf8 : 1,000,000,000
e58ab46d58 67ecf74cf5 ce56f97ad1 f2e96e98f2 3f4a815aa0 : 1,200,000,000
74543d30dd 58e28d9b17 2f2b740113 b73ad383b0 2f2bd5bee4 : 1,500,000,000
a10aa6a0fa 18d702ea7c 3f6d4ac621 f9d54178e9 0648e92550 : 2,000,000,000
4af1c0aa99 3ffe8c4d2f 49cc3c2b47 5f687b14ca 81beb1b953 : 2,500,000,000
144210e642 4185590fee de55097c64 fcea3dc3cf c4aaeed8af : 4,000,000,000
565135110d af45ac735f 363791f110 59e8854838 2d9368cdb6 : 5,000,000,000
1f092f7fe3 97ee8fedcd daf844da6f 7130ac16af 621f9979ca : 7,500,000,000
9403994581 8580686529 2375008092 3106244131 4758821220 : 10,000,000,000
5484300705 7497256317 5638103668 9321501434 2024187144 : 12,000,000,000
9191266832 0053854336 4341441976 3841813584 8174204140 : 15,000,000,000
8939284339 1873129787 0114534056 4661882392 2515880594 : 20,000,000,000
1309759846 5364560010 7388984278 8403481193 9913806533 : 25,000,000,000
8533134381 5052690803 7005133742 2881696569 2467456441 : 40,000,000,000
6599559400 3447556105 3766739199 8513398712 7510930042 : 50,000,000,000
3016243947 6790359204 7625220944 1838085762 2737660479 : 75,000,000,000
0baeb3801c d8b48a016f f41852fea0 1aa89477e4 d7bcd81df9 : 10,000,000,000
8ad70eaff8 189fd859ad a319cf12ad 71517b11ab 437f99ff10 : 12,000,000,000
b77fad607e b447befe65 7e061f5761 3f8f63ab9b f9acd491f4 : 15,000,000,000
540c392c13 4b61e9ab70 e133e1c09f e1fd6f64b5 30f42a24f3 : 20,000,000,000
98e384eb8f 797a9d113c b8d4b2b3e4 e773f66b7c 59f12420e3 : 25,000,000,000
89222d7771 d3ce66cd6d 90fe2016e9 9b9578cf03 75d075644b : 40,000,000,000
0356cf02d9 2e24866c21 ec0dd43286 09f920dff9 855f0567cc : 50,000,000,000
d4c34fe748 02bed7120e b5c9b1bf03 056555fa02 b46d839a69 : 75,000,000,000
9536515199 6948432428 3185077669 0674614692 0191295669 : 100,000,000,000
6858531104 6492544158 8109961976 3804795509 4643565723 : 120,000,000,000
3532164560 4876410179 4411139356 4303770406 0267904917 : 150,000,000,000
4305017750 7056695457 1580141586 9082820114 5623831042 : 200,000,000,000
2663943310 3540041907 7074675913 3026287289 2295830629 : 250,000,000,000
4232472530 5584721833 6635696622 7418760375 3353406089 : 400,000,000,000
0505992340 4464069733 2573501014 7391768971 9054201320 : 500,000,000,000
3728959182 9959700411 0463747323 2418512577 4343912477 : 750,000,000,000
2329318eb4 e6271defb5 5bd1c7775f fe3dc62467 c3ad8fd53c : 100,000,000,000
39e56aaf5d 46c01152dd 5898efb16b 2f94f55e9d 515bde780f : 120,000,000,000
0b482df270 915ee6a188 dbe26a093b 834cead755 06d29761e5 : 150,000,000,000
078bf405c8 e945fa0914 b53f22ab16 8b09319559 e2437c7383 : 200,000,000,000
8b01c2f6e4 78dd508ae6 c210eb0099 ff41417733 db76923dd7 : 250,000,000,000
d311dc8058 23a6a76fef b16b43c436 6a6c6adf76 d607cf74fa : 400,000,000,000
6418af6732 0be600aee1 19ee6b568c 52b81b5efd f1a3f12ce9 : 500,000,000,000
6a68b3a57a 3fd5ea6ad8 ac0a871b74 b4c4b2f4a2 72a94e82a4 : 750,000,000,000
2976735807 0882130902 2460461146 5810642210 6680122702 : 1,000,000,000,000
5296320811 9703828272 7315356530 7867141740 4641807691 : 1,200,000,000,000
9649292043 0823196832 7127227140 6977745121 1028636395 : 1,500,000,000,000
8386341797 9368318191 5708299469 1313121384 3887908330 : 2,000,000,000,000
7023378492 4587524911 1838622539 0987058051 8718886518 : 2,500,000,000,000
3638467628 3610607856 5071920145 5255995193 8577295739 : 4,000,000,000,000
6399906735 0873400641 7497120374 4023826421 9484283852 : 5,000,000,000,000
7615115168 3088122145 2481816519 1247923135 4212689188 : 7,500,000,000,000
cddee9d16e b4a295e569 54e5e30b51 24a9ea02a9 3f89341cd5 : 1,000,000,000,000
839b18e149 0485f90aef 190ad5f0b5 6c05873c40 1f3b1f4b5f : 1,200,000,000,000
6627868e35 39c48d37a7 7d2554b047 c4cbac5fa4 711e987d27 : 1,500,000,000,000
2b02f66cc8 745e932507 9a1bf08451 77c330e6e1 d003f18425 : 2,000,000,000,000
8901790817 ddb3c12495 104f4cf645 07aa44343c 028af99290 : 2,500,000,000,000
c55d1ff718 62e174e866 6a65e040fc 326df99bfa 4993dac499 : 4,000,000,000,000
7cb68eeb8b 21eaf30b0c b5053ad304 aab4e328f0 f7c5a92eac : 5,000,000,000,000
211b00de43 def7f7b366 deb774f232 e01f75bcb5 f700300482 : 7,500,000,000,000
9804871001 5982157822 2070871138 6966940952 1989228675 : 10,000,000,000,000
4392476662 7656619000 2124460557 5531593458 4820611421 : 10,000,000,000,050
c742662109 951cced0b7 161db29b76 fb88597e6e d8a29a15c3 : 8,304,820,237,250
56d14de558

 

Digit Statistics:

The "Digit Hash" is a redundancy check used by y-cruncher. For a number x and the first N digits after the decimal place, the hash is defined as:

 

Download Digits:

The digits used to be available on Bittorrent. But since I quit school, I've no longer been able to seed them.

 

Shigeru Kondo has them for download on his website: http://piworld.calico.jp/estart.html

 

 

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Questions or Comments

Contact me via e-mail. I'm pretty good with responding unless it gets caught in my school's junk mail filter.