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Please enter the number in the box below:
Results:

Cardinal:

twenty Play it!

Ordinal:

twentieth Play it!

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What is a cardinal number  Definition of Cardinal Number
A number (such as 1, 2, 100 or 253 ) used to indicate quantity but not order. kind of number used to denote the size of a mathematical, including infinite sets. A Cardinal Number is a number that says how many of something there are.
What is a ordinal number  Definition of Ordinal Number
In common usage, an ordinal number is an adjective which indicates the place, position or order of an object in relation to others: first, second, third, etc. An Ordinal Number tells the position of something in a list, such as 1st, 2nd, 3rd, 4th and so on.
In short we could say:

Cardinal > how many

Ordinal > position

Table of Cardinal versus Ordinal Numbers
Cardinal Numbers  Ordinal Numbers 
Name  Symbol  Name  Symbol 
zero or naught or cipher  0     
one  1  first  1st 
two  2  second  2d or 2nd 
three  3  third  3d or 3rd 
four  4  fourth  4th 
five  5  fifth  5th 
six  6  sixth  6th 
seven  7  seventh  7th 
eight  8  eighth  8th 
nine  9  ninth  9th 
ten  10  tenth  10th 
eleven  11  eleventh  11th 
twelve  12  twelfth  12th 
thirteen  13  thirteenth  13th 
fourteen  14  fourteenth  14th 
fifteen  15  fifteenth  15th 
sixteen  16  sixteenth  16th 
seventeen  17  seventeenth  17th 
eighteen  18  eighteenth  18th 
nineteen  19  nineteenth  19th 
twenty  20  twentieth  20th 
twentyone  21  twentyfirst  21st 
twentytwo  22  twentysecond  22d or 22nd 
twentythree  23  twentythird  23d or 23rd 
twentyfour  24  twentyfourth  24th 
twentyfive  25  twentyfifth  25th 
twentysix  26  twentysixth  26th 
twentyseven  27  twentyseventh  27th 
twentyeight  28  twentyeighth  28th 
twentynine  29  twentyninth  29th 
thirty  30  thirtieth  30th 
thirtyone  31  thirtyfirst  31st 
thirtytwo  32  thirtysecond  32d or 32nd 
forty  40  fortieth  40th 
fortyone  41  fortyfirst  41st 
fortytwo  42  fortysecond  42d or 42nd 
fifty  50  fiftieth  50th 
sixty  60  sixtieth  60th 
seventy  70  seventieth  70th 
eighty  80  eightieth  80th 
ninety  90  ninetieth  90th 
one hundred  100  hundredth or one hundredth  100th 
one hundred and one or one hundred one  101  hundred and first or one hundred and first  101st 
one hundred and two etc  102  one hundred and second  102d or 102nd 
two hundred  200  two hundredth  200th 
three hundred  300  three hundredth  300th 
four hundred  400  four hundredth  400th 
five hundred  500  five hundredth  500th 
six hundred  600  six hundredth  600th 
seven hundred  700  seven hundredth  700th 
eight hundred  800  eight hundredth  800th 
nine hundred  900  nine hundredth  900th 
one thousand or ten hundred  1  thousandth or one thousandth  1,000th 
two thousand  2  two thousandth  2,000th 
five thousand  5  five thousandth  5,000th 
ten thousand  10  ten thousandth  10,000th 
one hundred thousand  100  (One) hundred thousandth  100,000th 
one million  1,000,000  millionth or one millionth  1,000,000th 

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