septuagintillion

English

Etymology

From Latin septuāgintā +‎ -illion. Coined by Alfred Holbrook, a principal of South-Western Normal School in Lebanon, Ohio, in 1859 (see the quotation).

Numeral

septuagintillion (plural septuagintillions)

  1. (rare, short scale) 10213.
    • [1859, Alfred Holbrook, “Theoretical Arithmetic”, in The Normal: or, Methods of Teaching the Common Branches, […], New York, N.Y.: […] A[lfred] S[mith] Barnes & Burr, […], →OCLC, page 306:
      Names of the Periods.—1st, Units. 2d, Thousands. 3d, Millions. 4th, Billions. 5th, Trillions. 6th, Quadrillions. 7th, Quintillions. 8th, Sextillions. 9th, Septillions. 10th. Octillions. 11th, Nonillions. 12th, Decillions. 13th, Undecillions. 14th, Duodecillions. 15th, Tridecillions. 16th, Quadrodecillions. 17th, Quindecillions. 18th, Sexdecillions. 19th, Septodecillions. 20th, Octodecillions. 21st, Nonodecillions. 22d. Vingintillions. 23d, Unvingintillions. 24th, Duo-vingintillions, etc. 32d, Trigintillions. 42d, Quadrogintillions, 52d, Quingintillions. 62d, Sexagintillions. 72d, Septuagintillions. 82d, Octogintillions. 92d, Ninogintillions. 102d, Centillions. 103d, Uncentillions. 104th, Duocentillions, etc. 202d, Duocentillions,[sic] etc. 1002d, Millillions, etc.]
    • 1902 December 1, “Annual Tax Sale Today: Treas. Cropper Has Troubles With Mathematical Problems. Courier Mathematician Also Gathers Bunch of Trouble. Several Prominent Bidders and a Few of Their Bids.”, in Waterloo Daily Courier, 12th year, number 3742, Waterloo, Ia., →OCLC, page 1, column 3:
      Unlike most auction sales delinquent tax property is sold to the lowest instead of the highest bidder. The man who will pay the taxes for the smallest portion of the property in question is the successful man, and the figure at which the bidders sometimes bid in the property is enough to cause the treasurer and his accountants to become fit subjects for the insane hospital. County Treasurer Cropper has a list of the limits to which the bidders may go, carried down past the vigintillions and even decamadillions. To give the reader something of an idea of the proportions of the figures sometime resorted to, we will state that the decamadillion is the highest figure known in mathematics, but the bidders do not stop at this as a rule. […] Several bids were made of the vigintillionth down to the eighth, sixth and fourth power. The list of numerals kept by the treasurer for this occasion is as follows: Hundreds, thousand,[sic] millions, billions, trillions, quadrillions, quintillions, sextillions, septillions, octillions, nonillions, decillions, undecillions, duodecillions, tradecillions, quatuordecillions, quindecillions, sextecillions,[sic] sepdecillions, octodecillions, noendecillions,[sic] vigindecillions,[sic – meaning vigintillions] trigindecillions, quadroquintillions, quinquagintillions, sexagintillions, septuagintillions, octogentillions, novengentillions, centamadecillions, decamadillions.
    • 2003 July 16, jsavard@ecn.ab.ca [John Savard], “Beyond the Vigintillion”, in sci.math‎[1] (Usenet), archived from the original on 30 December 2025:
      But one can have, after the vigintillion, a trigintillion, a quadragintillion, a quinquagintillion, a sexagintillion, a septuagintillion, an octogintillion, a nonagintillion, and a centillion.
    • 2015 January 18, Cregan, “End of game”, in Kongregate‎[2], archived from the original on 20 September 2015, AdVenture Capitalist forum; quoted in Paolo Ruffino, “The End of Capitalism: Disengaging From the Economic Imaginary of Incremental Games”, in Games and Culture‎[3], volume 16, number 2 (March 2021), Thousand Oaks, Calif.: Sage Publishing, 11 November 2019, →DOI, →ISSN, →OCLC, archived from the original on 28 March 2024, page 19:
      The game DOES have an end. After septuagintillion cash, there are no new words. Everything after that is called “Too much”.
    • 2022 October 10, Colin Crain, “Colin Crain › Perl Weekly Review #179”, in The Weekly Challenge‎[4], archived from the original on 5 December 2022:
      So I was impressed to find that James has constructed for us an ordinal number naming machine without limits. Octillions are trivial to James. […] In any case a mere octillion is nothing, pshaw, peanuts to the unfathomable complexities of life. How about “ninety-nine novemnonagintillion nine-hundred and ninety-nine octononagintillion nine-hundred and ninety-nine septnonagintillion nine-hundred and ninety-nine sexnonagintillion nine-hundred and ninety-nine quinnonagintillion nine-hundred and ninety-nine quattuornonagintillion nine-hundred and ninety-nine trenonagintillion nine-hundred and ninety-nine duononagintillion nine-hundred and ninety-nine unnonagintillion nine-hundred and ninety-nine nonagintillion nine-hundred and ninety-nine novemoctagintillion nine-hundred and ninety-nine octooctagintillion nine-hundred and ninety-nine septoctagintillion nine-hundred and ninety-nine sexoctagintillion nine-hundred and ninety-nine quinoctagintillion nine-hundred and ninety-nine quattuoroctagintillion nine-hundred and ninety-nine treoctagintillion nine-hundred and ninety-nine duooctagintillion nine-hundred and ninety-nine unoctagintillion nine-hundred and ninety-nine octagintillion nine-hundred and ninety-nine novemseptuagintillion nine-hundred and ninety-nine octoseptuagintillion nine-hundred and ninety-nine septseptuagintillion nine-hundred and ninety-nine sexseptuagintillion nine-hundred and ninety-nine quinseptuagintillion nine-hundred and ninety-nine quattuorseptuagintillion nine-hundred and ninety-nine treseptuagintillion nine-hundred and ninety-nine duoseptuagintillion nine-hundred and ninety-nine unseptuagintillion nine-hundred and ninety-nine septuagintillion […] and ninety-ninth” ?
    • 2023 September 12, Josh Lake, “What is a key derivation function (KDF)? A comprehensive guide”, in Comparitech‎[5], archived from the original on 30 December 2025:
      Our password strength testing tool estimates that it would take “3,760 septuagintillion years” to crack the password. This is long after the heat death of the universe, so our hacker is going to get very bored waiting around for that long. In this case, PBKDF2 would make it infeasible to crack the password.
    • 2024, Aakansha Mitawa, Pawan Bhambu, “Enhancing Financial Transaction Security With Blockchain Technology”, in Educational Administration: Theory and Practice, volume 30, number 5, Ankara: Pegem Akademi Yayıncılık, →DOI, →ISSN, →OCLC, page 15054:
      Results of Analysis from some of the testing tools : ◦ 1,216,796,999 septuagintillion years (from comparitech.com): ◦ This estimation suggests that it would take an unfathomably long time to crack the pattern, indicating a very high level of security.
    • 2024 July 24, Aaron Bruce Albert Bacabac, “Dungeons & Degenerate Gamblers Review [Steam] | Missed That Nat 21”, in Game8‎[6], archived from the original on 9 August 2024:
      Through this branching progression, your deck is expanded and modified, granting you a noticeable increase in power as the fights continue, similar to a traditional RPG. This is the best part of D&DG by far, and while it might not be as endlessly captivating as Balatro’s septuagintillion-strong scores, it still holds up well against my expectations.
    • 2025 October 7, Olga Racinowska, “100 unoctogentillion blocks deep. A crazy Minecraft experiment that reveals the scale of the Void”, in Gamepressure‎[7], Kraków: Gry-Online S.A., archived from the original on 24 October 2025:
      Trying to go even deeper crashed the game, since Minecraft can’t handle numbers past the 64-bit limit. But teleporting up into the sky allowed Spds to reach the largest number that could be entered in the chat: 100 unoctogentillion (that’s a 1 followed by 248 zeros). This is theorized as the maximum possible height and depth in Minecraft, making the world’s vertical size “10 duo septuagintillion times larger than the observable universe.”
      With duo- prefixed but either misspaced or missing a hyphen.
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