20,101 in words
20,101
twenty thousand one hundred one
20,101 is written twenty thousand one hundred one.
Ways to write it
- As an ordinal
- twenty thousand one hundred first
- Expanded form
- 20,000 + 100 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 1 | 100 |
| tens | 0 | 0 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 20,101 (2 factors)
- First 10 multiples
- 20,101, 40,202, 60,303, 80,404, 100,505, 120,606, 140,707, 160,808, 180,909, 201,010
- Square
- 20,101 × 20,101 = 404,050,201
- Square root
- ≈ 141.78
- Sum of the digits
- 2 + 0 + 1 + 0 + 1 = 4
- Rounded to the nearest 10
- 20,100
- Rounded to the nearest 100
- 20,100
- Rounded to the nearest 1000
- 20,000
- Number before
- 20,100
- Number after
- 20,102
- In binary
100111010000101
Quick check
What number comes just after 20,101?
Show the answer
20,102
Is 20,101 even or odd?
Show the answer
Odd
What is 20,101 + 10?
Show the answer
20,111
Practice with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 20,101 in words?
20,101 is written "twenty thousand one hundred one".
Is 20,101 a prime number?
Yes. 20,101 is a prime number: its only factors are 1 and 20,101.
What are the factors of 20,101?
The factors of 20,101 are 1 and 20,101.