121,321 in words
121,321
one hundred twenty-one thousand three hundred twenty-one
121,321 is written one hundred twenty-one thousand three hundred twenty-one.
Ways to write it
- As an ordinal
- one hundred twenty-one thousand three hundred twenty-first
- Expanded form
- 100,000 + 20,000 + 1,000 + 300 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 2 | 20,000 |
| thousands | 1 | 1,000 |
| hundreds | 3 | 300 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 121,321 (2 factors)
- First 10 multiples
- 121,321, 242,642, 363,963, 485,284, 606,605, 727,926, 849,247, 970,568, 1,091,889, 1,213,210
- Square
- 121,321 × 121,321 = 14,718,785,041
- Square root
- ≈ 348.31
- Sum of the digits
- 1 + 2 + 1 + 3 + 2 + 1 = 10
- Rounded to the nearest 10
- 121,320
- Rounded to the nearest 100
- 121,300
- Rounded to the nearest 1000
- 121,000
- Number before
- 121,320
- Number after
- 121,322
- In binary
11101100111101001
Quick check
What number comes just after 121,321?
Show the answer
121,322
Is 121,321 even or odd?
Show the answer
Odd
What is 121,321 + 10?
Show the answer
121,331
Practise 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 121,321 in words?
121,321 is written "one hundred twenty-one thousand three hundred twenty-one".
Is 121,321 a prime number?
Yes. 121,321 is a prime number: its only factors are 1 and 121,321.
What are the factors of 121,321?
The factors of 121,321 are 1 and 121,321.