Number dictionary · Exact arithmetic

964: factors and number facts

nine hundred sixty-four is an even number and is composite. Its 6 positive divisors form 3 factor pairs.

Number JD Editorial Team · Updated 2026-10-08

In words
nine hundred sixty-four
Roman numeral
CMLXIV
Prime factorization
2^2 × 241
Digital root
1

All factors of 964

A positive factor divides 964 with no remainder. In ascending order, the complete list is:

1, 2, 4, 241, 482, 964

Factor pairs

  • 1 × 964 = 964
  • 2 × 482 = 964
  • 4 × 241 = 964

Each pair describes an arrangement of 964 items into equal rows. The pairs have different row and column counts; 964 cannot make a square array of whole items.

Divisor totals

Positive divisors
6
Sum of all divisors
1694
Sum excluding 964
730
Classification
deficient

964 is deficient because its proper divisors add to 730, which is less than 964.

Understand factors and multiples

Prime factorization of 964

964 = 2^2 × 241

Repeated division, step by step

  1. 964 ÷ 2 = 482
  2. 482 ÷ 2 = 241
  3. 241 ÷ 241 = 1

Multiply the prime divisors in these steps to reconstruct 964. An exponent records how many times the same prime occurs. The divisor-count calculation is (2 + 1) × (1 + 1) = 6.

The preceding prime is 953. The next larger prime is 967. The factor list above explains why 964 is composite.

Learn the factorization method

964 in words, Roman numerals and other bases

Equivalent representations of the integer 964
RepresentationValue
English (US style)nine hundred sixty-four
Roman numeralCMLXIV
Binary (base 2)1111000100
Octal (base 8)1704
Decimal (base 10)964
Hexadecimal (base 16)3C4

Check the binary conversion

Read 1111000100 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 + 128 + 64 + 4 = 964

Check the hexadecimal conversion

3 × 16^2 + 12 × 16^1 + 4 × 16^0 = 964

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 964

964 squared
964 × 964 = 929,296
964 cubed
964 × 964 × 964 = 895,841,344
Square root
≈ 31.048349
Simplified radical
2√241

964 lies between 961 (31²) and 1024 (32²), so it is not a perfect square. It is not a perfect cube.

964 is not triangular: no positive whole-number k satisfies k(k + 1) / 2 = 964.

Distinguish a square from a square root

Multiplication table for 964

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

964 × 1964
964 × 21,928
964 × 32,892
964 × 43,856
964 × 54,820
964 × 65,784
964 × 76,748
964 × 87,712
964 × 98,676
964 × 109,640
964 × 1110,604
964 × 1211,568

Divisibility checks

Quotients and remainders for divisors 2 through 12
Divide byWhole quotientRemainderDivides exactly?
24820Yes
33211No
42410Yes
51924No
61604No
71375No
81204No
91071No
10964No
11877No
12804No

For example, 964 = 7 × 137 + 5. A remainder of zero is what makes a divisor a factor.

Digit sum and digital root of 964

964 contains 3 decimal digits. Its digit sum is 9 + 6 + 4 = 19.

  1. 964: 9 + 6 + 4 = 19
  2. 19: 1 + 9 = 10
  3. 10: 1 + 0 = 1

The digital root is 1. Reversing its digits gives 469; 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, 964/100 simplifies to 241/25 by dividing both terms by their greatest common divisor, 4. Its decimal value is 9.64. Because the numerator exceeds the denominator, this value is greater than one.

The greatest common divisor of 964 and 12 is 4. Their least common multiple is 2892. The identity GCD × LCM = 964 × 12 = 11568 checks both results.

Work through GCF and LCM

Questions about 964

What are the factors of 964?

The positive factors are 1, 2, 4, 241, 482, 964. There are 6 factors, including 1 and 964.

Is 964 a prime number?

No. 964 is composite: 2^2 × 241 = 964.

How do you write 964 in Roman numerals?

964 is CMLXIV in standard subtractive Roman numeral notation.

What is the binary representation of 964?

964 in decimal is 1111000100 in base 2. Adding its active place values gives 512 + 256 + 128 + 64 + 4 = 964.

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 964

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

The digits of 964 add to 19. 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.