Grammatically, number with them is unrecognized.

There exist no such things as plural forms.

This singularity would be only too welcome to the foreign student, were it not that in avoiding the frying-pan the Tartars fell into the fire.

For what they invented in place of a plural was quite as difficult to memorize, and even more cumbrous to express.

Instead of inflecting the noun and then prefixing a number, they keep the noun unchanged and add two numerals; thus at times actually employing more words to express the objects than there are objects to express.