4 in words
British English
four
Four keeps its u. Forty does not, though fourteen does.
Quick reference
- In figures
- 4
- British English
- four
- American English
- The same (why they differ)
- Ordinal
- fourth (4th)
- Roman numeral
- IV
- Place value
- 4 in the ones column
- Expanded form
- 4
- Standard form
- 4 × 10⁰
- Even or odd
- Even
- Prime factors
- 2²
Convert any other number, up to thirty-six digits.