See remarks on the suffixes -EG- and -ET-, par. [277].
NUMERALS.
Cardinal Numbers (Numeraloj fundamentaj).
115. The cardinal numbers are:—
(1) unu, (2) du, (3) tri, (4) kvar, (5) kvin, (6) ses, (7) sep, (8) ok, (9) naŭ, (10) dek, (100) cent, (1,000) mil, (0) (zero, naught) = nulo.
Miliono (million) is a noun, the root being milion-.
(a). The numbers 11 to 19 are formed by simply placing (10) dek before the first nine, as:—(11) dek unu, (12) dek du, (13) dek tri, (14) dek kvar, (15) dek kvin, (16) dek ses, (17) dek sep, (18) dek ok, (19) dek naŭ.
(b). The numbers (101 to 119), or (1,001 to 1,019), are formed by the addition cent, or mil, as:—(101) cent unu, (102) cent du, (110) cent dek, (116) cent dek ses, (1,001) mil unu, (1,006) mil ses, (1,114) mil cent dek kvar.
(c). The tens, hundreds, and thousands are formed by prefixing one of the numbers 2 to 9 before dek, cent, or mil, as:—(20) dudek, (30) tridek, (40) kvardek, (200) ducent, (500) kvincent, (900) naŭcent, (2,000) dumil, (4,000) kvarmil, (8,000) okmil.
(d). The intermediate numbers (21 to 29), (31 to 39), etc., are formed by adding the required number to the tens, as:—(21) dudek unu, (22) dudek du, (33) tridek tri, (96) naŭdek ses, (121) cent dudek unu, (342) tricent kvardek du, (1,021) mil dudek unu, (8,754) okmil sepcent kvindek kvar.