Vocabulary
숫자
number, numeral
Meaning
숫자 : number, numeral. A numerical value or the symbols used for numbers.
Why this form?
수 — “number” is broader and mathematical; 숫자 often refers to numerals or a displayed number.
Hanja
數字 — 數 number + 字 character.
Forms not to confuse
수
큰 수를 적으세요. — Write a large number.
Examples
뭐, 숫자는 늘었네요. — Well, the number has increased.
숫자를 잘못 적었어요. — I wrote the number incorrectly.