Number dictionary · Exact arithmetic

876: factors and number facts

eight hundred seventy-six is an even number and is composite. Its 12 positive divisors form 6 factor pairs.

Number JD Editorial Team · Updated 2026-10-08

In words
eight hundred seventy-six
Roman numeral
DCCCLXXVI
Prime factorization
2^2 × 3 × 73
Digital root
3

All factors of 876

A positive factor divides 876 with no remainder. In ascending order, the complete list is:

1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876

Factor pairs

  • 1 × 876 = 876
  • 2 × 438 = 876
  • 3 × 292 = 876
  • 4 × 219 = 876
  • 6 × 146 = 876
  • 12 × 73 = 876

Each pair describes an arrangement of 876 items into equal rows. The pairs have different row and column counts; 876 cannot make a square array of whole items.

Divisor totals

Positive divisors
12
Sum of all divisors
2072
Sum excluding 876
1196
Classification
abundant

876 is abundant because its proper divisors add to 1196, which is greater than 876.

Understand factors and multiples

Prime factorization of 876

876 = 2^2 × 3 × 73

Repeated division, step by step

  1. 876 ÷ 2 = 438
  2. 438 ÷ 2 = 219
  3. 219 ÷ 3 = 73
  4. 73 ÷ 73 = 1

Multiply the prime divisors in these steps to reconstruct 876. An exponent records how many times the same prime occurs. The divisor-count calculation is (2 + 1) × (1 + 1) × (1 + 1) = 12.

The preceding prime is 863. The next larger prime is 877. The factor list above explains why 876 is composite.

Learn the factorization method

876 in words, Roman numerals and other bases

Equivalent representations of the integer 876
RepresentationValue
English (US style)eight hundred seventy-six
Roman numeralDCCCLXXVI
Binary (base 2)1101101100
Octal (base 8)1554
Decimal (base 10)876
Hexadecimal (base 16)36C

Check the binary conversion

Read 1101101100 from right to left using place values 1, 2, 4, 8 and successive powers of two. Keep the values whose bit is 1:

512 + 256 + 64 + 32 + 8 + 4 = 876

Check the hexadecimal conversion

3 × 16^2 + 6 × 16^1 + 12 × 16^0 = 876

Hexadecimal uses A through F for digit values 10 through 15. These notations represent the same quantity; changing the base does not change the integer.

Square, cube and square root of 876

876 squared
876 × 876 = 767,376
876 cubed
876 × 876 × 876 = 672,221,376
Square root
≈ 29.597297
Simplified radical
2√219

876 lies between 841 (29²) and 900 (30²), so it is not a perfect square. It is not a perfect cube.

876 is not triangular: no positive whole-number k satisfies k(k + 1) / 2 = 876.

Distinguish a square from a square root

Multiplication table for 876

These are the first twelve positive multiples. Unlike the finite factor list, the sequence of multiples continues without an upper limit.

876 × 1876
876 × 21,752
876 × 32,628
876 × 43,504
876 × 54,380
876 × 65,256
876 × 76,132
876 × 87,008
876 × 97,884
876 × 108,760
876 × 119,636
876 × 1210,512

Divisibility checks

Quotients and remainders for divisors 2 through 12
Divide byWhole quotientRemainderDivides exactly?
24380Yes
32920Yes
42190Yes
51751No
61460Yes
71251No
81094No
9973No
10876No
11797No
12730Yes

For example, 876 = 7 × 125 + 1. A remainder of zero is what makes a divisor a factor.

Digit sum and digital root of 876

876 contains 3 decimal digits. Its digit sum is 8 + 7 + 6 = 21.

  1. 876: 8 + 7 + 6 = 21
  2. 21: 2 + 1 = 3

The digital root is 3. Reversing its digits gives 678; it is not a decimal palindrome. Digit patterns depend on the notation being used.

Digital-root arithmetic always finishes at a single digit for a positive integer. Some numerology methods stop at 11, 22 or 33 instead; that is a separate interpretive convention.

Fractions and a worked comparison

As a fraction of 100, 876/100 simplifies to 219/25 by dividing both terms by their greatest common divisor, 4. Its decimal value is 8.76. Because the numerator exceeds the denominator, this value is greater than one.

The greatest common divisor of 876 and 12 is 12. Their least common multiple is 876. The identity GCD × LCM = 876 × 12 = 10512 checks both results.

Work through GCF and LCM

Questions about 876

What are the factors of 876?

The positive factors are 1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876. There are 12 factors, including 1 and 876.

Is 876 a prime number?

No. 876 is composite: 2^2 × 3 × 73 = 876.

How do you write 876 in Roman numerals?

876 is DCCCLXXVI in standard subtractive Roman numeral notation.

What is the binary representation of 876?

876 in decimal is 1101101100 in base 2. Adding its active place values gives 512 + 256 + 64 + 32 + 8 + 4 = 876.

Methods and reference definitions

Number JD calculates each result from the integer on this page. Positive factors are enumerated in pairs; repeated division gives the prime factorization; place values verify base conversions. Decimal square roots are rounded to six places when irrational.

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A reflective note on 876

Meaning varies by tradition and personal experience. One sighting is not evidence of what will happen next.

The digits of 876 add to 21. That arithmetic result is separate from the cultural symbolism of the pattern. If this number matters to you, write down what you noticed and choose one grounded action rather than treating the sighting as a prediction.