Base 20: Cycles Sequences: Maximum Length Cycle Count

Blog: The First Pixel: Kaprekar's Constant 6174

Radix Character Encoding
0123456789ABCDEF
GHIJKLMNOPQRSTUV

Color Key
OrangeFixed Pointnumber that becomes itself after one iteration
GreenFinal Numbersall numbers eventually reached, from all cycles
PurpleCycle Startiterations include entry into cycle, assuming it repeats
RedFull Cycleiterations include entire cycle, proving it repeats
BlueStart Numberssubset (optimization) of all numbers; minimal for full coverage
GrayNo Resultsany calculation that has no results

Digits # Full Cycles
(excluding zero)
Max Cycle
Length
Longest Full Cycles
(excluding zero)
(bold = exactly one cycle [excluding zero])
10 cycles--
23 cycles6 nodes0J → I1 → G3 → C7 → 4F → A9
31 cycle (fixed) 1 node 9JA
42 cycles6 nodes52GF → E996 → 7JJC → C6C8 → 63FE → C7B8
52 cycles4 nodesD5JD7 → E5JD6 → E7JB6 → D6JC7
66 cycles17 nodes840IFC → IB3F82 → GC2G74 → EC4E76 → A84EBA → A2JJGA → H95DA3 → E80IB6 → I82GB2 → GE2G54 → EC8A76 → 851HEC → G93FA4 → DB0I87 → I62GD2 → GE6C54 → C95DA8
72 cycles13 nodesE84JEB6 → F85JDB5 → EA4JE96 → F84JEB5 → FA5JD95 → EA3JF96 → G94JEA4 → FC4JE75 → FA6JC95 → E92JGA6 → HA4JE93 → GD4JE64 → FC7JB75
82 cycles11 nodes8540IFEC → IB93FA82 → GC30IG74 → IDC4E762 → GA74EC94 → CA50IE98 → I940IFA2 → IGB0I832 → IGD2G632 → GED6C654 → C975DCA8
96 cycles10 nodesE941JHFA6 → ID94JEA62 → HE83JFB53 → GEA5JD954 → FB93JFA85 → GA71JHC94 → ID92JGA62 → HGA3JF933 → GED5JD654 → FB96JCA85
104 cycles23 nodes86510IIEDC → IH973FCA22 → GFC50IE744 → ICB94EA872 → GA530IGE94 → IDC90IA762 → IG750IEC32 → IGD94EA632 → GDA70IC964 → IC750IEC72 → IG954EEA32 → GDA90IA964 → IC710IIC72 → IHG54EE322 → GFDA8A9644 → CB720IHC88 → IF542GFE42 → GEBB8A8854 → C9331HGGA8 → GDD40IF664 → ICB76CC872 → G6552GEED4 → EC996CAA76
112 cycles5 nodesGCA72JGC974 → HC952JGEA73 → HEB72JGC853 → HEB73JFC853 → GEA73JFC954
123 cycles28 nodesA55430IGFEEA → IDB98JJAA862 → HDA51JJHE963 → IGCB52GE8732 → GED952GEA654 → EC9970ICAA76 → I85510IIEEB2 → IHG992GAA322 → GFED10II6544 → IHCB96CA8722 → GF6530IGED44 → IDCB96CA8762 → G76530IGEDC4 → IDC974ECA762 → GA7550IEEC94 → IC9950IEAA72 → IG9510IIEA32 → IHGD90IA6322 → IGFD70IC6432 → IGDB74EC8632 → GDA752GEC964 → EC9750IECA76 → I98550IEEBA2 → IG9930IGAA32 → IGDD10II6632 → IHGD76CC6322 → GFD764EDC644 → CBA774ECC988
131 cycle 52 nodesGC6530JIGED74 → JFCB85JDB8741 → IFA642JGFD942 → HGCB93JFA8733 → GED841JHFB654 → IDCA84JEB9762 → HE8641JHFDB53 → IEDA84JEB9652 → HE9851JHEBA53 → IEC961JHDA752 → IGC862JGDB732 → HGDA63JFD9633 → GED973JFCA654 → GCA862JGDB974 → HCA641JHFD973 → IED962JGDA652 → HGB873JFCB833 → GED842JGFB654 → HCCA84JEB9773 → GD7541JHFEC64 → IDCA85JDB9762 → HD7641JHFDC63 → IED975JDCA652 → HD9762JGDCA63 → HEA762JGDC953 → HEB862JGDB853 → HEB852JGEB853 → HEB962JGDA853 → HEB851JHEB853 → IEC962JGDA752 → HGB862JGDB833 → HEDA52JGE9653 → HEB983JFBA853 → GEA631JHGD954 → IECB83JFB8752 → HFA742JGFC943 → HECB82JGB8753 → HEB742JGFC853 → HECA73JFC9753 → GEA752JGEC954 → HCB972JGCA873 → HE9541JHFEA53 → IEDA94JEA9652 → HE9840JIFBA53 → JFDA61JHD9641 → IID973JFCA612 → IGF962JGDA432 → HGDC93JFA7633 → GED962JGDA654 → HCB873JFCB873 → GE8542JGFEB54 → HCCA95JDA9773
145 cycles40 nodesA877310IIGCCBA → IHD552JJGEE622 → HHGCB80IB87323 → IFED532GGE6542 → GEDB996CAA8654 → C976310IIGDCA8 → IHD7540IFEC622 → IGFB974ECA8432 → GDBA530IGE9864 → IDC9730IGCA762 → IGD7550IEEC632 → IGD9974ECAA632 → GDA7510IIEC964 → IHC9750IECA722 → IGF9550IEEA432 → IGDB990IAA8632 → IGD7310IIGC632 → IHGDD74EC66322 → GFDA774ECC9644 → CBA7550IEEC988 → I995430IGFEAA2 → IGDB910IIA8632 → IHGD730IGC6322 → IGFDD74EC66432 → GDBA774ECC9864 → CA75530IGEEC98 → ID99540IFEAA62 → IGB9710IICA832 → IHGD530IGE6322 → IGFDD96CA66432 → GDB7760IDCC864 → IC77552GEECC72 → GE99554EEEAA54 → CA99910IIAAA98 → IH41110IIIIF22 → IHHHGFA8432222 → GFFFDB1H864444 → GCBBB72GC88874 → EC55332GGGEE76 → EDD9984EBAA666
153 cycles30 nodesGEA8531JHGEB954 → IECB961JHDA8752 → IGC8641JHFDB732 → IGEC963JFDA7532 → HFDA862JGDB9643 → HEC9751JHECA753 → IEC9752JGECA752 → HGB9752JGECA833 → HEDB741JHFC8653 → IEDA863JFDB9652 → HFA8751JHECB943 → IEDA741JHFC9652 → IGDA862JGDB9632 → HGDA751JHEC9633 → IEEB862JGDB8552 → HGB9852JGEBA833 → HEDB631JHGD8653 → IEEB874JECB8552 → HE99742JGFCAA53 → HECA730JIGC9753 → JFEB752JGEC8541 → IHCA973JFCA9722 → HGE8530JIGEB533 → JFEDB95JDA86541 → IFA9751JHECA942 → IGDA730JIGC9632 → JGFDA62JGD96431 → IHDC973JFCA7622 → HGE9652JGEDA533 → HEDB983JFBA8653
165 cycles138 nodesCA995530IGEEAA98 → ID994110IIIFAA62 → IHHGB710IIC83222 → IHGFFD52GE644322 → GFEDBB96CA886544 → CB976330IGGDCA88 → IDD75430IGFEC662 → IGDB9774ECCA8632 → GDA75530IGEEC964 → IDC99750IECAA762 → IG975510IIEECA32 → IHGD9950IEAA6322 → IGFD9710IICA6432 → IHGDB750IEC86322 → IGFD9752GECA6432 → GEDB9750IECA8654 → IC997530IGECAA72 → IGD95510IIEEA632 → IHGD9970ICAA6322 → IGFD7510IIEC6432 → IHGDB974ECA86322 → GFDA7530IGEC9644 → IDCB9750IECA8762 → IG975530IGEECA32 → IGDD9950IEAA6632 → IGD97710IICCA632 → IHGD7550IEEC6322 → IGFD9974ECAA6432 → GDBA7510IIEC9864 → IHC97530IGECA722 → IGFD9550IEEA6432 → IGDB9970ICAA8632 → IGD75310IIGEC632 → IHGDD974ECA66322 → GFDA7750IECC9644 → ICB97550IEECA872 → IG995530IGEEAA32 → IGDD9910IIAA6632 → IHGD7710IICC6322 → IHGFD754EEC64322 → GFDBA974ECA98644 → CBA75310IIGEC988 → IHD95430IGFEA622 → IGFDB970ICA86432 → IGDB7530IGEC8632 → IGDD9752GECA6632 → GED97750IECCA654 → IC997550IEECAA72 → IG995510IIEEAA32 → IHGD9910IIAA6322 → IHGFD710IIC64322 → IHGFDB74EC864322 → GFDBA752GEC98644 → ECB97530IGECA876 → ID985530IGEEBA62 → IGD99730IGCAA632 → IGDD7510IIEC6632 → IHGD9774ECCA6322 → GFDA7550IEEC9644 → ICB99750IECAA872 → IG955310IIGEEA32 → IHGDD990IAA66322 → IGFD7710IICC6432 → IHGDB754EEC86322 → GFDA9752GECA9644 → ECB97510IIECA876 → IH985530IGEEBA22 → IGFD9930IGAA6432 → IGDDB710IIC86632 → IHGD7752GECC6322 → GFED9754EECA6544 → CBA99750IECAA988 → I9543110IIIGFEA2 → IHHGDB90IA863222 → IGFFD730IGC64432 → IGDDBB74EC886632 → GDA77532GGECC964 → EDC97550IEECA766 → I9987550IEECBAA2 → IG995310IIGEAA32 → IHGDD910IIA66322 → IHGFD770ICC64322 → IGFDB754EEC86432 → GDBA9752GECA9864 → EC975310IIGECA76 → IHD98550IEEBA622 → IGF99730IGCAA432 → IGDDB510IIE86632 → IHGD9772GCCA6322 → GFED7550IEEC6544 → ICB99974ECAAA872 → GA553110IIIGEE94 → IHHDC990IAA76222 → IGFF7510IIEC4432 → IHGDBB94EA886322 → GFDA7330IGGC9644 → IDDCB750IEC87662 → IG977552GEECCA32 → GED99550IEEAA654 → IC999710IICAAA72 → IHG55110IIIEE322 → IHHGFD98AA643222 → GFFDB720IHC86444 → IFCBB752GEC88742 → GEB95532GGEEA854 → EDC99930IGAAA766 → ID875110IIIECB62 → IHHG9752GECA3222 → GFFED950IEA65444 → ICBB9970ICAA8872 → IG553310IIGGEE32 → IHGDDD98AA666322 → GFD77720IHCCC644 → IFCB7554EEEC8742 → GBA99552GEEAA984 → EC993110IIIGAA76 → IHHD8510IIEB6222 → IHGFF972GCA44322 → GFEDBB50IE886544 → ICB99732GGCAA872 → GED55310IIGEE654 → IHDC9996CAAA7622 → GF765110IIIEDC44 → IHHCB974ECA87222 → GFFA5530IGEE9444 → IDCBB990IAA88762 → IG753310IIGGEC32 → IHGDDD94EA666322 → GFDA7770ICCC9644 → ICB75550IEEEC872 → IG999552GEEAAA32 → GED99110IIIAA654 → IHHC9710IICA7222 → IHGFF550IEE44322 → IGFDBB98AA886432 → GDB73320IHGGC864 → IFDDC752GEC76642 → GEB97754EECCA854
174 cycles31 nodesHEDA6431JHGFD9653 → IEECA873JFCB97552 → HFA97541JHFECA943 → IEDBA730JIGC98652 → JGFB8641JHFDB8431 → IIECB952JGEA87512 → IGGB9741JHFCA8332 → IGEDC841JHFB76532 → IGECA863JFDB97532 → HFDA8641JHFDB9643 → IEDB9751JHECA8652 → IGC98641JHFDBA732 → IGEC9641JHFDA7532 → IGECA862JGDB97532 → HGDB8641JHFDB8633 → IEEC9752JGECA7552 → HGB99752JGECAA833 → HEDB7420JIHFC8653 → JGEDA863JFDB96531 → IGDA8751JHECB9632 → IGEB8641JHFDB8532 → IGECA852JGEB97532 → HGDB9741JHFCA8633 → IEEC9641JHFDA7552 → IGDA9862JGDBA9632 → HGDA7520JIHEC9633 → JGEEB862JGDB85531 → IHDB9852JGEBA8622 → HGFB8531JHGEB8433 → IEEDCA62JGD976552 → HGB98762JGDCBA833