Number dictionary · Exact arithmetic
1764: factors and number facts
one thousand seven hundred sixty-four is an even number and is composite. Its 27 positive divisors form 14 factor pairs.
Number JD Editorial Team · Updated 2026-10-08
- In words
- one thousand seven hundred sixty-four
- Roman numeral
- MDCCLXIV
- Prime factorization
- 2^2 × 3^2 × 7^2
- Digital root
- 9
All factors of 1764
A positive factor divides 1764 with no remainder. In ascending order, the complete list is:
1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764
Factor pairs
- 1 × 1764 = 1764
- 2 × 882 = 1764
- 3 × 588 = 1764
- 4 × 441 = 1764
- 6 × 294 = 1764
- 7 × 252 = 1764
- 9 × 196 = 1764
- 12 × 147 = 1764
- 14 × 126 = 1764
- 18 × 98 = 1764
- 21 × 84 = 1764
- 28 × 63 = 1764
- 36 × 49 = 1764
- 42 × 42 = 1764
Each pair describes an arrangement of 1764 items into equal rows. The 42 × 42 pair is square, so its shared factor appears only once in the factor list.
Divisor totals
- Positive divisors
- 27
- Sum of all divisors
- 5187
- Sum excluding 1764
- 3423
- Classification
- abundant
1764 is abundant because its proper divisors add to 3423, which is greater than 1764.
Prime factorization of 1764
1764 = 2^2 × 3^2 × 7^2
Repeated division, step by step
- 1764 ÷ 2 = 882
- 882 ÷ 2 = 441
- 441 ÷ 3 = 147
- 147 ÷ 3 = 49
- 49 ÷ 7 = 7
- 7 ÷ 7 = 1
Multiply the prime divisors in these steps to reconstruct 1764. An exponent records how many times the same prime occurs. The divisor-count calculation is (2 + 1) × (2 + 1) × (2 + 1) = 27.
The preceding prime is 1759. The next larger prime is 1777. The factor list above explains why 1764 is composite.
Learn the factorization method1764 in words, Roman numerals and other bases
| Representation | Value |
|---|---|
| English (US style) | one thousand seven hundred sixty-four |
| Roman numeral | MDCCLXIV |
| Binary (base 2) | 11011100100 |
| Octal (base 8) | 3344 |
| Decimal (base 10) | 1764 |
| Hexadecimal (base 16) | 6E4 |
Check the binary conversion
Read 11011100100 from right to left using place values 1, 2, 4, 8 and successive powers of two. Keep the values whose bit is 1:
1024 + 512 + 128 + 64 + 32 + 4 = 1764
Check the hexadecimal conversion
6 × 16^2 + 14 × 16^1 + 4 × 16^0 = 1764
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 1764
- 1764 squared
- 1764 × 1764 = 3,111,696
- 1764 cubed
- 1764 × 1764 × 1764 = 5,489,031,744
- Square root
- = 42
- Simplified radical
- 42
1764 is a perfect square: 42 × 42 = 1764. It is not a perfect cube.
1764 is not triangular: no positive whole-number k satisfies k(k + 1) / 2 = 1764.
Distinguish a square from a square rootMultiplication table for 1764
These are the first twelve positive multiples. Unlike the finite factor list, the sequence of multiples continues without an upper limit.
Divisibility checks
| Divide by | Whole quotient | Remainder | Divides exactly? |
|---|---|---|---|
| 2 | 882 | 0 | Yes |
| 3 | 588 | 0 | Yes |
| 4 | 441 | 0 | Yes |
| 5 | 352 | 4 | No |
| 6 | 294 | 0 | Yes |
| 7 | 252 | 0 | Yes |
| 8 | 220 | 4 | No |
| 9 | 196 | 0 | Yes |
| 10 | 176 | 4 | No |
| 11 | 160 | 4 | No |
| 12 | 147 | 0 | Yes |
For example, 1764 = 7 × 252 + 0. A remainder of zero is what makes a divisor a factor.
Digit sum and digital root of 1764
1764 contains 4 decimal digits. Its digit sum is 1 + 7 + 6 + 4 = 18.
- 1764: 1 + 7 + 6 + 4 = 18
- 18: 1 + 8 = 9
The digital root is 9. Reversing its digits gives 4671; 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, 1764/100 simplifies to 441/25 by dividing both terms by their greatest common divisor, 4. Its decimal value is 17.64. Because the numerator exceeds the denominator, this value is greater than one.
The greatest common divisor of 1764 and 12 is 12. Their least common multiple is 1764. The identity GCD × LCM = 1764 × 12 = 21168 checks both results.
Work through GCF and LCMQuestions about 1764
What are the factors of 1764?
The positive factors are 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764. There are 27 factors, including 1 and 1764.
Is 1764 a prime number?
No. 1764 is composite: 2^2 × 3^2 × 7^2 = 1764.
How do you write 1764 in Roman numerals?
1764 is MDCCLXIV in standard subtractive Roman numeral notation.
What is the binary representation of 1764?
1764 in decimal is 11011100100 in base 2. Adding its active place values gives 1024 + 512 + 128 + 64 + 32 + 4 = 1764.
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.
NUMBER JOURNAL / JD
A reflective note on 1764
Meaning varies by tradition and personal experience. One sighting is not evidence of what will happen next.
The digits of 1764 add to 18. 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.