Number dictionary · Exact arithmetic

379: factors and number facts

three hundred seventy-nine is an odd number and is prime. Its 2 positive divisors form 1 factor pair.

Number JD Editorial Team · Updated 2026-10-08

In words
three hundred seventy-nine
Roman numeral
CCCLXXIX
Prime factorization
379
Digital root
1

All factors of 379

A positive factor divides 379 with no remainder. In ascending order, the complete list is:

1, 379

Factor pairs

  • 1 × 379 = 379

Each pair describes an arrangement of 379 items into equal rows. The pairs have different row and column counts; 379 cannot make a square array of whole items.

Divisor totals

Positive divisors
2
Sum of all divisors
380
Sum excluding 379
1
Classification
deficient

379 is deficient because its proper divisors add to 1, which is less than 379.

Understand factors and multiples

Prime factorization of 379

379 = 379

Repeated division, step by step

  1. 379 ÷ 379 = 1

Multiply the prime divisors in these steps to reconstruct 379. Each prime in this factorization occurs once. The divisor-count calculation is (1 + 1) = 2.

The preceding prime is 373. The next larger prime is 383. To check 379 for primality, it is sufficient to test possible divisors from 2 through 19.

Learn the factorization method

379 in words, Roman numerals and other bases

Equivalent representations of the integer 379
RepresentationValue
English (US style)three hundred seventy-nine
Roman numeralCCCLXXIX
Binary (base 2)101111011
Octal (base 8)573
Decimal (base 10)379
Hexadecimal (base 16)17B

Check the binary conversion

Read 101111011 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 + 2 + 1 = 379

Check the hexadecimal conversion

1 × 16^2 + 7 × 16^1 + 11 × 16^0 = 379

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 379

379 squared
379 × 379 = 143,641
379 cubed
379 × 379 × 379 = 54,439,939
Square root
≈ 19.467922
Simplified radical
√379

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

379 is not triangular: no positive whole-number k satisfies k(k + 1) / 2 = 379.

Distinguish a square from a square root

Multiplication table for 379

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

379 × 1379
379 × 2758
379 × 31,137
379 × 41,516
379 × 51,895
379 × 62,274
379 × 72,653
379 × 83,032
379 × 93,411
379 × 103,790
379 × 114,169
379 × 124,548

Divisibility checks

Quotients and remainders for divisors 2 through 12
Divide byWhole quotientRemainderDivides exactly?
21891No
31261No
4943No
5754No
6631No
7541No
8473No
9421No
10379No
11345No
12317No

For example, 379 = 7 × 54 + 1. A remainder of zero is what makes a divisor a factor.

Digit sum and digital root of 379

379 contains 3 decimal digits. Its digit sum is 3 + 7 + 9 = 19.

  1. 379: 3 + 7 + 9 = 19
  2. 19: 1 + 9 = 10
  3. 10: 1 + 0 = 1

The digital root is 1. Reversing its digits gives 973; 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, 379/100 simplifies to 379/100 by dividing both terms by their greatest common divisor, 1. Its decimal value is 3.79. Because the numerator exceeds the denominator, this value is greater than one.

The greatest common divisor of 379 and 12 is 1. Their least common multiple is 4548. The identity GCD × LCM = 379 × 12 = 4548 checks both results.

Work through GCF and LCM

Questions about 379

What are the factors of 379?

The positive factors are 1, 379. There are 2 factors, including 1 and 379.

Is 379 a prime number?

Yes. The only positive divisors of 379 are 1 and 379.

How do you write 379 in Roman numerals?

379 is CCCLXXIX in standard subtractive Roman numeral notation.

What is the binary representation of 379?

379 in decimal is 101111011 in base 2. Adding its active place values gives 256 + 64 + 32 + 16 + 8 + 2 + 1 = 379.

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 379

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

The digits of 379 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.