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Country and language: United States

Country and language

424 in words

424

four hundred twenty-four

424 is written four hundred twenty-four.

Ways to write it

As an ordinal
four hundred twenty-fourth
Roman numeral
CDXXIV
Expanded form
400 + 20 + 4

Place value

PlaceDigitValue
hundreds4400
tens220
ones44

Number facts

Even or odd
Even
Prime or composite
Composite
Factors
1, 2, 4, 8, 53, 106, 212 and 424 (8 factors)
First 10 multiples
424, 848, 1,272, 1,696, 2,120, 2,544, 2,968, 3,392, 3,816, 4,240
Square
424 × 424 = 179,776
Square root
≈ 20.59
Sum of the digits
4 + 2 + 4 = 10
Rounded to the nearest 10
420
Rounded to the nearest 100
400
Number before
423
Number after
425
In binary
110101000

Quick check

  1. What number comes just after 424?

    Show the answer

    425

  2. Is 424 even or odd?

    Show the answer

    Even

  3. What is 424 + 10?

    Show the answer

    434

Practice with a game

Frequently asked questions

How do you write 424 in words?

424 is written "four hundred twenty-four".

Is 424 a prime number?

No. 424 is a composite number, because it has more than two factors.

What are the factors of 424?

The factors of 424 are 1, 2, 4, 8, 53, 106, 212 and 424.

How do you write 424 in Roman numerals?

424 in Roman numerals is CDXXIV.