large integer vs XXI

Other hyponyms of large integer include 10, decade, ten, tenner, X, 11, eleven, XI, 12, dozen, twelve, XII, teens, 13, baker's dozen, long dozen, thirteen, XIII, 14, fourteen, XIV, 15, fifteen, XV, 16, sixteen, XVI, 17, seventeen, XVII, 18, eighteen, XVIII, 19, nineteen, XIX, 20, twenty, XX, 21, twenty-one, 22, twenty-two, XXII, 23, twenty-three, XXIII, 24, twenty-four, two dozen, XXIV, 25, twenty-five, XXV, 26, twenty-six, XXVI, 27, twenty-seven, XXVII, 28, twenty-eight, XXVIII, 29, twenty-nine, XXIX, 30, thirty, XXX, 40, forty, XL, 50, fifty, L, 60, LX, sixty, 70, LXX, seventy, 78, LXXVIII, seventy-eight, 80, eighty, fourscore, LXXX, 90, ninety, XC, 100, C, century, hundred, one C, 144, gross, 120, great hundred, long hundred, 500, D, five hundred, 1000, chiliad, G, grand, K, M, one thousand, thou, thousand, yard, 1728, great gross, 10000, myriad, ten thousand, 100000, hundred thousand, lakh, 1000000, meg, million, one thousand thousand, crore, 1000000000, billion, one thousand million, 1000000000000, billion, one million million, 1000000000000, one million million, trillion, one million million million, trillion, quadrillion, quadrillion, quintillion, sextillion, septillion, octillion, aleph-nought, aleph-null, aleph-zero.