Group boundary: 13 | 404
The comma boundary separates 13 from 404: “thirteen thousand” is read before “four hundred four”.
Thirteen thousand four hundred four
Pattern: Thousands with a silent tens place
13,404 splits into 13 | 404. In the final group, the tens place is zero, so “four” follows “four hundred” directly.
| Digit | Position | Value | Value in words |
|---|---|---|---|
| 1 | ten-thousands | 10,000 | ten thousand |
| 3 | thousands | 3,000 | three thousand |
| 4 | hundreds | 400 | four hundred |
| 0 | tens | 0 | not spoken |
| 4 | ones | 4 | four |
| Group | Digits | Reading |
|---|---|---|
| thousands | 13 | thirteen thousand |
| final group | 404 | four hundred four |
The comma boundary separates 13 from 404: “thirteen thousand” is read before “four hundred four”.
The tens position contains zero. It preserves place value in the numeral but adds no spoken word.
The American English style used here normally omits “and” between “hundred” and the following tens or ones.