101 in words
British English
one hundred and one
American English
one hundred one
The first number where British and American English disagree: one hundred and one, or one hundred one.
Quick reference
- In figures
- 101
- British English
- one hundred and one
- American English
- one hundred one (why they differ)
- Ordinal
- one hundred and first (101st)
- Roman numeral
- CI
- Place value
- 1 in the hundreds column; 1 in the ones column
- Expanded form
- 100 + 1
- Standard form
- 1.01 × 10²
- Even or odd
- Odd
- Prime factors
- None but itself and one: it is prime
Convert any other number, up to thirty-six digits.