16,121 in words
16,121
sixteen thousand one hundred twenty-one
16,121 is written sixteen thousand one hundred twenty-one.
Ways to write it
- As an ordinal
- sixteen thousand one hundred twenty-first
- Expanded form
- 10,000 + 6,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 1 | 10,000 |
| thousands | 6 | 6,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 7, 47, 49, 329, 343, 2,303 and 16,121 (8 factors)
- First 10 multiples
- 16,121, 32,242, 48,363, 64,484, 80,605, 96,726, 112,847, 128,968, 145,089, 161,210
- Square
- 16,121 × 16,121 = 259,886,641
- Square root
- ≈ 126.97
- Sum of the digits
- 1 + 6 + 1 + 2 + 1 = 11
- Rounded to the nearest 10
- 16,120
- Rounded to the nearest 100
- 16,100
- Rounded to the nearest 1000
- 16,000
- Number before
- 16,120
- Number after
- 16,122
- In binary
11111011111001
Quick check
What number comes just after 16,121?
Show the answer
16,122
Is 16,121 even or odd?
Show the answer
Odd
What is 16,121 + 10?
Show the answer
16,131
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 16,121 in words?
16,121 is written "sixteen thousand one hundred twenty-one".
Is 16,121 a prime number?
No. 16,121 is a composite number, because it has more than two factors.
What are the factors of 16,121?
The factors of 16,121 are 1, 7, 47, 49, 329, 343, 2,303 and 16,121.