21 - twenty one
ochocientos veintiuno
Ciento veintiuno
Novecientos veintiuno
Veintiuno veintiún
trescientos veintiuno Because... trescientos is 300 in spainsh. veintiuno is 21 in spanish. You always put tens and units together.
ochocientos veintiuno
Quinientos (500) veintiuno (21).
Mil quinientos veintiuno means 1521. mil = 1000 quinientos = 400 veintiuno = 21
"Twenty-one" in Spanish is "veintiuno". It is pronounced "bane-tee-OO-no". Please see the Related link below for confirmation of the translation.
(a las = at) seis y veintiuno
veintiuno mil quinientos cuarenta y dos
veintiuno, or as an adjective veintiún (veinte y uno)