Number dictionary · Exact arithmetic

2404: factors and number facts

two thousand four hundred 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
two thousand four hundred four
Roman numeral
MMCDIV
Prime factorization
2^2 × 601
Digital root
1

All factors of 2404

A positive factor divides 2404 with no remainder. In ascending order, the complete list is:

1, 2, 4, 601, 1202, 2404

Factor pairs

  • 1 × 2404 = 2404
  • 2 × 1202 = 2404
  • 4 × 601 = 2404

Each pair describes an arrangement of 2404 items into equal rows. The pairs have different row and column counts; 2404 cannot make a square array of whole items.

Divisor totals

Positive divisors
6
Sum of all divisors
4214
Sum excluding 2404
1810
Classification
deficient

2404 is deficient because its proper divisors add to 1810, which is less than 2404.

Understand factors and multiples

Prime factorization of 2404

2404 = 2^2 × 601

Repeated division, step by step

  1. 2404 ÷ 2 = 1202
  2. 1202 ÷ 2 = 601
  3. 601 ÷ 601 = 1

Multiply the prime divisors in these steps to reconstruct 2404. An exponent records how many times the same prime occurs. The divisor-count calculation is (2 + 1) × (1 + 1) = 6.

The preceding prime is 2399. The next larger prime is 2411. The factor list above explains why 2404 is composite.

Learn the factorization method

2404 in words, Roman numerals and other bases

Equivalent representations of the integer 2404
RepresentationValue
English (US style)two thousand four hundred four
Roman numeralMMCDIV
Binary (base 2)100101100100
Octal (base 8)4544
Decimal (base 10)2404
Hexadecimal (base 16)964

Check the binary conversion

Read 100101100100 from right to left using place values 1, 2, 4, 8 and successive powers of two. Keep the values whose bit is 1:

2048 + 256 + 64 + 32 + 4 = 2404

Check the hexadecimal conversion

9 × 16^2 + 6 × 16^1 + 4 × 16^0 = 2404

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 2404

2404 squared
2404 × 2404 = 5,779,216
2404 cubed
2404 × 2404 × 2404 = 13,893,235,264
Square root
≈ 49.030603
Simplified radical
2√601

2404 lies between 2401 (49²) and 2500 (50²), so it is not a perfect square. It is not a perfect cube.

2404 is not triangular: no positive whole-number k satisfies k(k + 1) / 2 = 2404.

Distinguish a square from a square root

Multiplication table for 2404

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

2404 × 12,404
2404 × 24,808
2404 × 37,212
2404 × 49,616
2404 × 512,020
2404 × 614,424
2404 × 716,828
2404 × 819,232
2404 × 921,636
2404 × 1024,040
2404 × 1126,444
2404 × 1228,848

Divisibility checks

Quotients and remainders for divisors 2 through 12
Divide byWhole quotientRemainderDivides exactly?
212020Yes
38011No
46010Yes
54804No
64004No
73433No
83004No
92671No
102404No
112186No
122004No

For example, 2404 = 7 × 343 + 3. A remainder of zero is what makes a divisor a factor.

Digit sum and digital root of 2404

2404 contains 4 decimal digits. Its digit sum is 2 + 4 + 0 + 4 = 10.

  1. 2404: 2 + 4 + 0 + 4 = 10
  2. 10: 1 + 0 = 1

The digital root is 1. Reversing its digits gives 4042; 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, 2404/100 simplifies to 601/25 by dividing both terms by their greatest common divisor, 4. Its decimal value is 24.04. Because the numerator exceeds the denominator, this value is greater than one.

The greatest common divisor of 2404 and 12 is 4. Their least common multiple is 7212. The identity GCD × LCM = 2404 × 12 = 28848 checks both results.

Work through GCF and LCM

Questions about 2404

What are the factors of 2404?

The positive factors are 1, 2, 4, 601, 1202, 2404. There are 6 factors, including 1 and 2404.

Is 2404 a prime number?

No. 2404 is composite: 2^2 × 601 = 2404.

How do you write 2404 in Roman numerals?

2404 is MMCDIV in standard subtractive Roman numeral notation.

What is the binary representation of 2404?

2404 in decimal is 100101100100 in base 2. Adding its active place values gives 2048 + 256 + 64 + 32 + 4 = 2404.

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 2404

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

The digits of 2404 add to 10. 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.