There are Cuban primes, Cullen primes, and curved-digit primes, which have only curved numerals — 0, 6, 8, and 9.
The challenge: Arrange 10 sticks to create an expression equal to 10 using only Roman numerals as well as + and – signs.
Spell out the unit of measurement; only use numerals with measurements when it is frequent in a paper.
In OV, specifically, the 'one'-phrases tend to occur as a concise unit with only the numeral and the unit word in order to maintain the prominent saliency in prosody and semantics.
Looking at how languages with only a few numerals add or lose them could provide insight into how humans build numeral systems.
The user's handwriting samples contain only digits, since numerals are harder for an outside party to recognize than letters are.
Now on his way out, he had to pass by the newly installed electric clocks and the watches on the wrists of students racing in and out, Casios and Timexes and Swatches, which had no numerals, only shapes like ladybugs and dogs.
But imagine staring at a page of nothing but solid numerals and trying to comprehend not only which word each sequence of numerals stands for, but also trying to rearrange these words into the syntax and grammar of your own language, which might be, say, a variety of Tibetan, and you have some idea why systems like this are immensely impractical.
Lastly, temporary measure words are often called 'pseudo-classifiers' they typically only take the numeral 一 yi 'one' (Chao 1968).
It had not been thought necessary to inscribe the word "cents" on the nickel; the silver and copper-nickel three-cent pieces had circulated for years with only a Roman numeral to indicate the denomination.
Nevertheless, they only used five numeral pairs (3, 4, 7, 8, and 9) in their study, which might not be a representative sample of Japanese Kanji and Arabic numerals.
