3,420 in words
3,420
three thousand four hundred twenty
3,420 is written three thousand four hundred twenty.
Ways to write it
- As an ordinal
- three thousand four hundred twentieth
- Roman numeral
- MMMCDXX
- Expanded form
- 3,000 + 400 + 20
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 3 | 3,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1,140, 1,710 and 3,420 (36 factors)
- First 10 multiples
- 3,420, 6,840, 10,260, 13,680, 17,100, 20,520, 23,940, 27,360, 30,780, 34,200
- Square
- 3,420 × 3,420 = 11,696,400
- Square root
- ≈ 58.48
- Sum of the digits
- 3 + 4 + 2 + 0 = 9
- Rounded to the nearest 10
- 3,420
- Rounded to the nearest 100
- 3,400
- Rounded to the nearest 1000
- 3,000
- Number before
- 3,419
- Number after
- 3,421
- In binary
110101011100
Quick check
What number comes just after 3,420?
Show the answer
3,421
Is 3,420 even or odd?
Show the answer
Even
What is 3,420 + 10?
Show the answer
3,430
Practice with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 3,420 in words?
3,420 is written "three thousand four hundred twenty".
Is 3,420 a prime number?
No. 3,420 is a composite number, because it has more than two factors.
What are the factors of 3,420?
The factors of 3,420 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1,140, 1,710 and 3,420.
How do you write 3,420 in Roman numerals?
3,420 in Roman numerals is MMMCDXX.