명칭	미국	영국
billion trillion quadrillion quintillion sextillion septillion octillion nonillion decillion	millilon x thousand=10⁹ billion x thousand =10¹² trillion x thousand =10¹⁵ quadrillion x thousand =10¹⁸ quintillion x thousand =10²¹ sextillion x thousand =10²⁴ septillion x thousand =10²⁷ octillion x thousand =10³⁰ nonillion x thousand =10³³	million x million =10¹² billion x million =10¹⁸ trillion x million =10²⁴ quadrillion x million =10³⁰ quintillion x million =10³⁶ sextillion x million = 10⁴² seqtillion x million = 10⁴⁸ octillion x million =10⁵⁴ nonillion x million =10⁶⁰

	미국	영국
1000000000(10억) 10000000000(100억) 100000000000(1000억) 1000000000000(1조)	one billion ten billions one bundred billions one trillion	one thousand millions ten thousand millions one byndred thousand million one billion
미국식에서는 1000(thousand)배마다 , 영국식에서는 100만배(million)배마다 명칭이 변한다. 그래서 one billion 이라도 미국식과 영국식으로 표기하는 법이 달라지게 되어있다. 미국은 10억=10⁹ ; 영국은 10¹² 이것은 trillion 이상에서도 마찬가지다.

서수 (ordinal numeral )
명칭	약기
zeroth[zíɚrouƟ ǀzíɚr-] first second third fourth fifth [fifƟ] sixth seventh eighth [eitƟ ] ninth[nainƟ] tenth eleventh twelfth[twelfƟ] thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth twentieth[twéntiiƟ] twenty-first twenty-second twenty-third twenty-fourth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth thirtieth[Ɵəˊ:rtiiƟ] thirty-first thirty-second thirty-third thirty-ninth fortieth forty-first forty-second forty-third forty-ninth fiftieth sixtieth seventieth eightieth ninetieth one hundredth one hundred and first one hundred and sefcond one hundred and fiftieth two hundredth three hundredth four hundredth five hundredth six hundredth seven hundredth eight hundredth nine hundredth one thousandth two thousandth ten thousandth one hundred thousandth one millionth ten millionth one hundred millionth	1th 2th 3th 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th 21th 22th 23th 24th 25th 26th 27th 28th 29th 30th 31th 32th 33th 39th 40th 41th 42th 43th 49th 50th 60th 70th 80th 90th 100th 101th 102th 150th 200th 300th 400th 500th 600th 700th 800th 900th 1000th 2000th 10000th 1000000th 10000000th 100000000th

기수 (cardinal numeral)
명칭	아라비아숫자 (Arabic umeral)	로마 숫자 (Roman numeral)
naught, zero one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight ttwenty-nine thirty thirty-one forty-two forty-three ..... thirty-nine forty forty-one forty-two forty-three .... forty-nine fifty sixty seventy eighty ninety one hundred one hundred and one one hundred and two one hundred and fifty two hundred three hundred four hundred five hundred six hundred seven hundred eight hundred nine hundred one thousand two thousand ten thousand 1만 one hundred thousand 10만 one million 100만 ten million(s) 1000만 one hundred million(s) 1억	0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 39 40 41 42 43 49 50 60 70 80 90 100 101 102 150 200 300 400 500 600 700 800 900 1000 2000 10,000 100,000 1,000,000 10,000,000 100,000,000	I II III IV,IIII V VI VII VIII IX,VIIII X XI XII XIII XIV,XIIII XV XVI XVII XVIII XIX,XVIII XX XXI XXII XXIII XXIV XXV XXVI XXVII XXVIII XXIX XXX XXXI XXXII XXXIII XL,XXXX XLI XLII XLIII XLIX L LX LXX LXXX,XXC XC,LXXXX C CI CII CL CC CCC CD,CCCC D,IC DC,ICCC DCCC CM M,CIC MM X C M