Sign inBook a free assessment

Country and language

Country and language: United States

Country and language

871 in words

871

eight hundred seventy-one

871 is written eight hundred seventy-one.

Ways to write it

As an ordinal
eight hundred seventy-first
Roman numeral
DCCCLXXI
Expanded form
800 + 70 + 1

Place value

PlaceDigitValue
hundreds8800
tens770
ones11

Number facts

Even or odd
Odd
Prime or composite
Composite
Factors
1, 13, 67 and 871 (4 factors)
First 10 multiples
871, 1,742, 2,613, 3,484, 4,355, 5,226, 6,097, 6,968, 7,839, 8,710
Square
871 × 871 = 758,641
Square root
≈ 29.51
Sum of the digits
8 + 7 + 1 = 16
Rounded to the nearest 10
870
Rounded to the nearest 100
900
Number before
870
Number after
872
In binary
1101100111

Quick check

  1. What number comes just after 871?

    Show the answer

    872

  2. Is 871 even or odd?

    Show the answer

    Odd

  3. What is 871 + 10?

    Show the answer

    881

Practice with a game

Frequently asked questions

How do you write 871 in words?

871 is written "eight hundred seventy-one".

Is 871 a prime number?

No. 871 is a composite number, because it has more than two factors.

What are the factors of 871?

The factors of 871 are 1, 13, 67 and 871.

How do you write 871 in Roman numerals?

871 in Roman numerals is DCCCLXXI.