Sign inBook a free assessment

Country and language

Country and language: South Africa

Country and language

987,721 in words

987,721

nine hundred and eighty-seven thousand seven hundred and twenty-one

987,721 is written nine hundred and eighty-seven thousand seven hundred and twenty-one.

Ways to write it

As an ordinal
nine hundred and eighty-seven thousand seven hundred and twenty-first
Expanded form
900,000 + 80,000 + 7,000 + 700 + 20 + 1

Place value

PlaceDigitValue
hundred thousands9900,000
ten thousands880,000
thousands77,000
hundreds7700
tens220
ones11

Number facts

Even or odd
Odd
Prime or composite
Composite
Factors
1, 7, 149, 947, 1,043, 6,629, 141,103 and 987,721 (8 factors)
First 10 multiples
987,721, 1,975,442, 2,963,163, 3,950,884, 4,938,605, 5,926,326, 6,914,047, 7,901,768, 8,889,489, 9,877,210
Square
987,721 × 987,721 = 975,592,773,841
Square root
≈ 993.84
Sum of the digits
9 + 8 + 7 + 7 + 2 + 1 = 34
Rounded to the nearest 10
987,720
Rounded to the nearest 100
987,700
Rounded to the nearest 1000
988,000
Number before
987,720
Number after
987,722
In binary
11110001001001001001

Quick check

  1. What number comes just after 987,721?

    Show the answer

    987,722

  2. Is 987,721 even or odd?

    Show the answer

    Odd

  3. What is 987,721 + 10?

    Show the answer

    987,731

Practise with a game

Frequently asked questions

How do you write 987,721 in words?

987,721 is written "nine hundred and eighty-seven thousand seven hundred and twenty-one".

Is 987,721 a prime number?

No. 987,721 is a composite number, because it has more than two factors.

What are the factors of 987,721?

The factors of 987,721 are 1, 7, 149, 947, 1,043, 6,629, 141,103 and 987,721.