Thursday, June 17, 2021

A dictionary of American English integer names (by letter count)

From 3 letters to 13 letters, but leaving out the (numerical) definitions:

one
six
ten
two

five
four
nine
zero

eight
fifty
forty
seven
sixty
three

eighty
eleven
ninety
thirty
twelve
twenty

fifteen
seventy
sixteen

eighteen
fifty-one
fifty-six
fifty-two
forty-one
forty-six
forty-two
fourteen
nineteen
sixty-one
sixty-six
sixty-two
thirteen

eighty-one
eighty-six
eighty-two
fifty-five
fifty-four
fifty-nine
forty-five
forty-four
forty-nine
ninety-one
ninety-six
ninety-two
seventeen
sixty-five
sixty-four
sixty-nine
thirty-one
thirty-six
thirty-two
twenty-one
twenty-six
twenty-two

eighty-five
eighty-four
eighty-nine
fifty-eight
fifty-seven
fifty-three
forty-eight
forty-seven
forty-three
ninety-five
ninety-four
ninety-nine
one billion
one hundred
one million
seventy-one
seventy-six
seventy-two
six billion
six hundred
six million
sixty-eight
sixty-seven
sixty-three
ten billion
ten million
thirty-five
thirty-four
thirty-nine
twenty-five
twenty-four
twenty-nine
two billion
two hundred
two million

eighty-eight
eighty-seven
eighty-three
five billion
five hundred
five million
four billion
four hundred
four million
nine billion
nine hundred
nine million
ninety-eight
ninety-seven
ninety-three
one thousand
one trillion
seventy-five
seventy-four
seventy-nine
six thousand
six trillion
ten thousand
ten trillion
thirty-eight
thirty-seven
thirty-three
twenty-eight
twenty-seven
twenty-three
two thousand
two trillion

eight billion
eight hundred
eight million
fifty billion
fifty million
five thousand
five trillion
forty billion
forty million
four thousand
four trillion
nine thousand
nine trillion
one decillion
one nonillion
one octillion
seven billion
seven hundred
seven million
seventy-eight
seventy-seven
seventy-three
six decillion
six nonillion
six octillion
sixty billion
sixty million
ten decillion
ten nonillion
ten octillion
three billion
three hundred
three million
two decillion
two nonillion
two octillion

eight thousand
eight trillion
eighty billion
eighty million
eleven billion
eleven million
fifty thousand
fifty trillion
five decillion
five nonillion
five octillion
forty thousand
forty trillion
four decillion
four nonillion
four octillion
nine decillion
nine nonillion
nine octillion
ninety billion
ninety million
one billion, one
one billion, six
one billion, ten
one billion, two
one centillion
one hundred one
one hundred six
one hundred ten
one hundred two
one million, one
one million, six
one million, ten
one million, two
one septillion
one sextillion
seven thousand
seven trillion
six billion, one
six billion, six
six billion, ten
six billion, two
six centillion
six hundred one
six hundred six
six hundred ten
six hundred two
six million, one
six million, six
six million, ten
six million, two
six septillion
six sextillion
sixty thousand
sixty trillion
ten billion, one
ten billion, six
ten billion, ten
ten billion, two
ten centillion
ten million, one
ten million, six
ten million, ten
ten million, two
ten septillion
ten sextillion
thirty billion
thirty million
three thousand
three trillion
twelve billion
twelve million
twenty billion
twenty million
two billion, one
two billion, six
two billion, ten
two billion, two
two centillion
two hundred one
two hundred six
two hundred ten
two hundred two
two million, one
two million, six
two million, ten
two million, two
two septillion
two sextillion

By American English we mean to exclude the conjunctive use of "and". As befits a dictionary, the integers are sorted alphabetically in each letter-count grouping. In such ordering, a word separator (a space or a hyphen) precedes any letter of a longer expression that starts the same. For example, "eight undecillion" precedes "eighteen thousand". The 13-letter entries introduce the comma, which functions to separate differing 10^3n power regimes. The counts (4, 4, 6, 6, 3, 13, 22, 35, 32, 36, 89) differ from A121064 only in the 89 for the 13-letter count. That is because our larger number range allows for "centillion" (of which there are 4) to finally show up. As we go beyond 13 letters, we expect such intrusions to increase.

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