Pointless Large Number Stuff - 1.02. Usage of the -illions (2024)

... and now we'll go through the quirks of the data.

First off, what's up with the colors of the dots in the graph?

They're color-coded as follows:

The yellow dot is a million, the blue dot is a billion, the red dot is a trillion, the green dot is a quadrillion, the purple dot is a quintillion, the orange dot is a sextillion, the teal dot is a septillion, the brown dot is an octillion, the yellow-brown dot is a nonillion, and the dark green dot is a decillion. I felt like each of these first ten -illions should have its own unique color, so that's what I did.

Then the dark gray dots represent the other canonical -illions up to a vigintillion. In order they're undecillion, duodecillion, tredecillion, quattuordecillion, quindecillion, sexdecillion, septendecillion, octodecillion, novemdecillion, and vigintillion.

The light gray dots represent non-canonical (not formally part of the English language) -illions whose names extrapolate from the canonical -illions. The best known system is formed like so:

The 21st thru 29th -illions are formed by applying the prefixes un-, duo-, tre-, quattuor-, quin-, sex-, septen-, octo-, and novem- to vigintillion, respectively, so the -illion after vigintillion is unvigintillion, followed by duovigintillion, trevigintillion, etc.

Then the 30th -illion is called a trigintillion, and the same prefixes un- through novem- are applied to it to form the 31st and 39th -illions.

The same process is done to quadragintillion (40th) for the 41st-49th -illions, so for example the 46th -illion would be a sexquadragintillion. Then you can do that for a quinquagintillion (50th -illion), sexagintillion (60th), septuagintillion (70th), octogintillion (80th), and nonagintillion (90th), so the 99th -illion, the last one before a centillion, is called a novemnonagintillion, equal to 10^(3*99+3) = 10^300.

Finally, the dark violet dot is a centillion, the 100th -illion.

Now let's look at the results:

The first -illion, a million, has an impresive 2.84 billion results. This isn't too surprising, considering how a million is an everyday occurrence in today's world. Millions show up in all kinds of contexts, even as hyperbole and in today's idioms (e.g. one in a million). This is also the only time the number has more results than the value of the number.

The second -illion, a billion, is a notable drop from a million in occurrence. It has about 403 million results, making it about 20% as common as a million. The biggest occurrence of billions is in economics dealing with billions of dollars. In fact, the economic occurrences largely crowd out other common occurrences when searching for a billion, such as hyperbole and statistics.

The third -illion, a trillion, is another, logarithmically bigger drop with 47.8 million results compared to 403 million results for a billion, making it about 11% as common as a billion, almost an order of magnitude (10x) less. Here, the vast majority of occurrences of a trillion are in economics, hugely crowding out statistical and other occurrences. Millions, billions, and trillions have a lot more results than the rest, because those are the three "familiar" -illions.

The fourth -illion, a quadrillion, is a still bigger drop from a trillion, with 1.48 million results compared to 47.8 results for a trillion. It's only 3% as common as a trillion. Unlike a trillion, a quadrillion doesn't have very much use in economics, other than listing values in the whole world or in currencies where the unit isn't very valuable (e.g. yens). Therefore, a good amount of the occurrences of quadrillions are instead in statistics or science. We can clearly see that quadrillions are a lot less common than trillions, but they're far from unheard of.

The fifth -illion, a quintillion (10^18), is not so sharp of a decrease from a quadrillion, with 852,000 occurrences, about 60% as many results as a quadrillion. By now, most of its occurrences are in science and statistics, since a quintillion exhausts economic usage. In general, a quintillion seems to be a cut-off point for large numbers as larger ones really don't get used much, but I find a decillion to be a bigger cutoff point.

The sixth -illion, a sextillion (10^21), oddly has more occurrences (60% more) than a quintillion, at 1.37 million occurrences. Perhaps that's because of it being part of two astronomical figures: Earth weighs 6 sextillion tons, and it's estimated that there are 300 sextillion stars in the observable universe.

The seventh -illion, a septillion (10^24), occurs mainly in astronomy and occasional statistics, but by now these occurrences are so rare that they're becoming outcrowded by stuff like dictionary entries. It's only about 20% as common as a sextillion.

Fun fact: When googling "septillion" the Googology Wiki entry is on the FIRST PAGE! This kind of googling of -illions was how I discovered Googology Wiki and the wonderful world of googology, and that may be true for other people.

The eighth -illion, an octillion (10^27), is pretty much the same situation as a septillion. It's 40% as common as a septillion.

The ninth -illion, a nonillion (10^30), is now rare outside of lists, but it's been occasionally used in outrageous statistics. It's about 80% as common as an octillion.

The tenth -illion, a decillion (10^33), seems to be a pretty big cutoff point for large numbers (see also a quintillion). -illions larger than this are very rarely heard of, as after that scientific notation is almost exclusively preferred. A decillion is a few percent more common than a nonillion, and by now the number of results is in the ten-thousands order of magnitude.

The eleventh -illion, an undecillion (10^36), is actually more common than an octillion, nonillion, and decillion. This is only because of a news story of a New York man suing for two undecillion dolars bringing some sparks of mention of an undecillion on the Internet.

However, a duodecillion (10^39) through a novemdecillion (10^60) show a pretty regular pattern of "pretty scarce, more so than a decillion" (with a few exceptions). They mostly have between 10,000 and 20,000 results.

After a vigintillion (10^63), the last sequential canonical -illion, the numbers follow a pattern which is kind of irregular but shows a gradually becoming scarcer and scarcer trend. However, one thing to note (which isn't surprising) is that every tenth -illion (trigintillion, quadragintillion, quinquagintillion, etc) is more common than its neighbors.

After an untrigintillion (10^96, the 31st -illion), only three -illions have 10,000 or more results. In fact, they appear as three spikes in the graphs. They are a quinquinquagintillion (10^168, the 55th -illion (which has a nice ring to it in my opinion)), octosexagintillion (10^207, the 68th -illion), and a quinoctogintillion (10^258, the 85th -illion). I can't seem to figure out where quinquinquagintillion's popularity comes from (other than it's nice ring perhaps?), but the other two clearly come from calculations related to power levels in Dragon Ball Z; apparently Goku's power level is over an octosexagintillion from one calculation but over a quinoctogintillion in another. Weird, but at least the last two are plausible.

But that last value, a centillion (10^303, the 100th -illion), has more results than all -illions except for million through sextillion!! It's obvious why it has a large amount of results - it's the largest canonical -illion, therefore it has a similar spirit to the famed googol, said to be the quintessential large number. It's kinda weird but satisfying that it has that many results.

Also, here are a few additional large numbers' number of results for comparison:

googol (10^100) - 1,940,000 - more results than all -illions except for million, billion, and trillion
googolplex (10^googol) - 328,000 - more results than all -illions except for million through sextillion and centillion
googolduplex (10^googolplex) - 5,300 - still more than some of the -illions
googolplexian (other name for a googolduplex) - 35,100 - more than most of the -illions
googoltriplex (10^googolduplex) - 6,290

And some fake -illions that don't refer to any specific number as well:

jillion - 10,100,000 - more results than all except for million, billion, and trillion
zillion - 9,720,000 - ditto
gazillion - 4,100,000 - ditto
bazillion - 2,000,000 - ditto
bajillion - 761,000 - more results than all except for million through sextillion
gajillion - 182,800 - more than all except for million through septillion and centillion
kajillion - 88,700 - more results than all except for million through octillion, undecillion, and centillion

Conclusion

Now that we have a clear review of the usage of the -illions, it's time to examine how big they really are. They're a lot bigger than you probably think. In the next article we'll do just that, with a tour of the mind-blowing sizes of the -illions.

1.03. Sizes of the -illions

Pointless Large Number Stuff - 1.02. Usage of the -illions (2024)
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