Killillion.png

The killillion (alternately onillion or zerillion[1]) is equal to \(10^{3\left(10^{3,000}\right)+3}\).[2] The term was coined by Jonathan Bowers. In his naming system, it is the smallest positive integer with the letter "k" in the name.

Written out in scientific notation, a killillion is:

103000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003

Etymology

The name of this number is based on the suffix "-illion" and SI prefix "kilo-".

Approximations in other notations

Notation Lower bound Upper bound
Arrow notation \(1000\uparrow(1+10\uparrow3000)\)
Down-arrow notation \(1000\downarrow\downarrow1001\) \(757\downarrow\downarrow1043\)
Steinhaus-Moser Notation 999[3][3] 1000[3][3]
Copy notation 2[2[3001]] 3[3[3001]]
H* function H(H(999))
Taro's multivariable Ackermann function A(3,A(3,9966)) A(3,A(3,9967))
Pound-Star Notation #*((1))*((2245))*22 #*((1))*((2246))*22
BEAF {1000,1+{10,3000}}
Hyper-E notation E(3+3E3000)
Bashicu matrix system (0)(1)[99] (0)(1)[100]
Hyperfactorial array notation (1141!)! (1142!)!
Fast-growing hierarchy \(f_2(f_2(9955))\) \(f_2(f_2(9956))\)
Hardy hierarchy \(H_{\omega^22}(9955)\) \(H_{\omega^22}(9956)\)
Slow-growing hierarchy \(g_{\omega^{\omega^{\omega^33}3+3}}(10)\)

Sources

See also

Tier 2: millillion* · myr · micr · nan · pic · femt · att · attofemt · zept · yoct · xon · vec · mec · duec · trec · tetrec · pentec · hexec · heptec · octec · ennec · icos · meicos · dueicos · trioicos · tetreicos · penteicos · hexeicos · hepteicos · octeicos · enneicos · triacont · tetracont · pentacont · hexacont · heptacont · octacont · ennacont · hect
Tier 3: killillion · killamill · killamicr · killanan · killapic · killafemt · killaatt · killazept · killayoct · killaxon · killavec · killamec · killaicos · killatriacont · killatetracont · killahect · meg · gig · ter · pet · ex · zett · yott · xenn · dak · hend · dok · tradak · tedak · pedak · exdak · zedak · yodak · nedak · ik · iken · icod · ictr · icter · icpet · ikect · iczet · ikyot · icxen · trak · tek · pek · exak · zak · yok · nek · hot · bot · trot · tot · pot · exot · zot · yoot · not
Tier 4: kalillion · dal · tral · tal · pal · exal · zal · yal · nal · dakal · hotal · mej · dakej · hotej · gij · ast · lun · ferm · jov · sol · bet · gloc · gax · sup · vers · mult
Saibian's extensions in Tier 2: centimillillion · novemnon...nongent · treicos · trioicos · dohect · triahect · tetrahect · pentahect · hexahect · heptahect · octahect · ennahect · enneennaconteennahect
Saibian's extensions in Tier 3: micrekill · nanekill · picekill · femtekill · attekill · zeptekill · yoctekill · xonekill · vecekill · mecekill · duecekill · icosekill · triacontekill · tetrecontekill · hectekill · enneenne...ennahect · traken · tracod · tractr · tracter · tracpet · trakect · traczet · trakyot · tracxen · nonek · nonecxen
Saibian's extensions in Tier 4: hendakal · dokal · tradakal · tedakal · pedakal · exadakal · zedakal · yodakal · nedakal · ikal · dakij · hotij · dakast · hotast · dakun · hotun · dakerm · hoterm · dakov · hotov · dakol · hotol · daket · hotet · dakoc · hotoc · dakax · hotax · dakup · hotup · dakers · hoters · dakult · hotult · nonecxenult · nonexce...nonexcen
Nirvana's extensions in Tier 4: met · xev · hyp · omn · out · barr · barrekal · barrej · barrij · barrast · barrun · barrerm · barrov · barresol · barret · garr · aarr · lunarr · fermarr · jovarr · solarr · betarr · hut · mut gut · astut · fut · jut · sut · but
Unofficial Tier 5: hep · mejehep · gijehep · astehep
*not Bowers'

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