Thousands with a silent tens place
21,104 splits into 21 | 104. In the final group, the tens place is zero, so “four” follows “one hundred” directly.
21104 in words: twenty-one thousand one hundred four
21,104
In words
Twenty-one thousand one hundred four
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How 21,104 is built
Pattern: Thousands with a silent tens place
21,104 splits into 21 | 104. In the final group, the tens place is zero, so “four” follows “one hundred” directly.
Digit and place-value table
| Digit | Position | Value | Value in words |
|---|---|---|---|
| 2 | ten-thousands | 20,000 | twenty thousand |
| 1 | thousands | 1,000 | one thousand |
| 1 | hundreds | 100 | one hundred |
| 0 | tens | 0 | not spoken |
| 4 | ones | 4 | four |
Reading the number in groups
| Group | Digits | Reading |
|---|---|---|
| thousands | 21 | twenty-one thousand |
| final group | 104 | one hundred four |
Why 21,104 is written this way
Group boundary: 21 | 104
The comma boundary separates 21 from 104: “twenty-one thousand” is read before “one hundred four”.
Silent zero positions
The tens position contains zero. It preserves place value in the numeral but adds no spoken word.
Hyphenation
The spelling contains one hyphen. Each hyphen joins a tens word to a non-zero ones word inside the same two-digit group.
American English and “and”
The American English style used here normally omits “and” between “hundred” and the following tens or ones.
Number structure
- 21,104 has 5 digits and 2 place-value groups.
- 4 positions contribute a spoken value; 1 zero position is silent.
- Its thousands group is 21; its final three-digit group is 104.