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Converting numbers to words is required for writing cheques, legal documents, and financial reports. The English word system groups numbers into thousands, millions, billions, and trillions.

공식

Convert integer n to words following English naming conventions: ones, tens, hundreds, thousands, millions, etc.
n
Number (integer)
word
Written Form (English text)

단계별 가이드

  1. 1Numbers 1–19 have unique words; 20–99 combine tens and ones
  2. 2Hundreds: "[digit] hundred [remainder]"
  3. 3Thousands: "[amount] thousand [remainder]"
  4. 4Millions, billions follow the same pattern

풀어진 예시

입력
1,234,567
결과
One million, two hundred thirty-four thousand, five hundred sixty-seven
입력
2024
결과
Two thousand twenty-four

자주 묻는 질문

How are compound numbers written?

Numbers 21–99 are hyphenated: twenty-one, ninety-nine. Hundreds are separate words: one hundred fifty-six.

What about large numbers?

Use commas: 1,234,567 is "one million, two hundred thirty-four thousand, five hundred sixty-seven."

Are there different conventions?

British and American English differ slightly (e.g., "and" placement). Always check regional style guides for formal writing.

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