131,221 in words
131,221
one hundred thirty-one thousand two hundred twenty-one
131,221 is written one hundred thirty-one thousand two hundred twenty-one.
Ways to write it
- As an ordinal
- one hundred thirty-one thousand two hundred twenty-first
- Expanded form
- 100,000 + 30,000 + 1,000 + 200 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 2 | 200 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 131,221 (2 factors)
- First 10 multiples
- 131,221, 262,442, 393,663, 524,884, 656,105, 787,326, 918,547, 1,049,768, 1,180,989, 1,312,210
- Square
- 131,221 × 131,221 = 17,218,950,841
- Square root
- ≈ 362.24
- Sum of the digits
- 1 + 3 + 1 + 2 + 2 + 1 = 10
- Rounded to the nearest 10
- 131,220
- Rounded to the nearest 100
- 131,200
- Rounded to the nearest 1000
- 131,000
- Number before
- 131,220
- Number after
- 131,222
- In binary
100000000010010101
Quick check
What number comes just after 131,221?
Show the answer
131,222
Is 131,221 even or odd?
Show the answer
Odd
What is 131,221 + 10?
Show the answer
131,231
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 131,221 in words?
131,221 is written "one hundred thirty-one thousand two hundred twenty-one".
Is 131,221 a prime number?
Yes. 131,221 is a prime number: its only factors are 1 and 131,221.
What are the factors of 131,221?
The factors of 131,221 are 1 and 131,221.