Number dictionary · Exact arithmetic

382: factors and number facts

three hundred eighty-two is an even number and is composite. Its 4 positive divisors form 2 factor pairs.

Number JD Editorial Team · Updated 2026-10-08

In words
three hundred eighty-two
Roman numeral
CCCLXXXII
Prime factorization
2 × 191
Digital root
4

All factors of 382

A positive factor divides 382 with no remainder. In ascending order, the complete list is:

1, 2, 191, 382

Factor pairs

  • 1 × 382 = 382
  • 2 × 191 = 382

Each pair describes an arrangement of 382 items into equal rows. The pairs have different row and column counts; 382 cannot make a square array of whole items.

Divisor totals

Positive divisors
4
Sum of all divisors
576
Sum excluding 382
194
Classification
deficient

382 is deficient because its proper divisors add to 194, which is less than 382.

Understand factors and multiples

Prime factorization of 382

382 = 2 × 191

Repeated division, step by step

  1. 382 ÷ 2 = 191
  2. 191 ÷ 191 = 1

Multiply the prime divisors in these steps to reconstruct 382. Each prime in this factorization occurs once. The divisor-count calculation is (1 + 1) × (1 + 1) = 4.

The preceding prime is 379. The next larger prime is 383. The factor list above explains why 382 is composite.

Learn the factorization method

382 in words, Roman numerals and other bases

Equivalent representations of the integer 382
RepresentationValue
English (US style)three hundred eighty-two
Roman numeralCCCLXXXII
Binary (base 2)101111110
Octal (base 8)576
Decimal (base 10)382
Hexadecimal (base 16)17E

Check the binary conversion

Read 101111110 from right to left using place values 1, 2, 4, 8 and successive powers of two. Keep the values whose bit is 1:

256 + 64 + 32 + 16 + 8 + 4 + 2 = 382

Check the hexadecimal conversion

1 × 16^2 + 7 × 16^1 + 14 × 16^0 = 382

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 382

382 squared
382 × 382 = 145,924
382 cubed
382 × 382 × 382 = 55,742,968
Square root
≈ 19.544820
Simplified radical
√382

382 lies between 361 (19²) and 400 (20²), so it is not a perfect square. It is not a perfect cube.

382 is not triangular: no positive whole-number k satisfies k(k + 1) / 2 = 382.

Distinguish a square from a square root

Multiplication table for 382

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

382 × 1382
382 × 2764
382 × 31,146
382 × 41,528
382 × 51,910
382 × 62,292
382 × 72,674
382 × 83,056
382 × 93,438
382 × 103,820
382 × 114,202
382 × 124,584

Divisibility checks

Quotients and remainders for divisors 2 through 12
Divide byWhole quotientRemainderDivides exactly?
21910Yes
31271No
4952No
5762No
6634No
7544No
8476No
9424No
10382No
11348No
123110No

For example, 382 = 7 × 54 + 4. A remainder of zero is what makes a divisor a factor.

Digit sum and digital root of 382

382 contains 3 decimal digits. Its digit sum is 3 + 8 + 2 = 13.

  1. 382: 3 + 8 + 2 = 13
  2. 13: 1 + 3 = 4

The digital root is 4. Reversing its digits gives 283; 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, 382/100 simplifies to 191/50 by dividing both terms by their greatest common divisor, 2. Its decimal value is 3.82. Because the numerator exceeds the denominator, this value is greater than one.

The greatest common divisor of 382 and 12 is 2. Their least common multiple is 2292. The identity GCD × LCM = 382 × 12 = 4584 checks both results.

Work through GCF and LCM

Questions about 382

What are the factors of 382?

The positive factors are 1, 2, 191, 382. There are 4 factors, including 1 and 382.

Is 382 a prime number?

No. 382 is composite: 2 × 191 = 382.

How do you write 382 in Roman numerals?

382 is CCCLXXXII in standard subtractive Roman numeral notation.

What is the binary representation of 382?

382 in decimal is 101111110 in base 2. Adding its active place values gives 256 + 64 + 32 + 16 + 8 + 4 + 2 = 382.

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 382

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

The digits of 382 add to 13. 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.