Number dictionary · Exact arithmetic

1002: factors and number facts

one thousand two is an even number and is composite. Its 8 positive divisors form 4 factor pairs.

Number JD Editorial Team · Updated 2026-10-08

In words
one thousand two
Roman numeral
MII
Prime factorization
2 × 3 × 167
Digital root
3

All factors of 1002

A positive factor divides 1002 with no remainder. In ascending order, the complete list is:

1, 2, 3, 6, 167, 334, 501, 1002

Factor pairs

  • 1 × 1002 = 1002
  • 2 × 501 = 1002
  • 3 × 334 = 1002
  • 6 × 167 = 1002

Each pair describes an arrangement of 1002 items into equal rows. The pairs have different row and column counts; 1002 cannot make a square array of whole items.

Divisor totals

Positive divisors
8
Sum of all divisors
2016
Sum excluding 1002
1014
Classification
abundant

1002 is abundant because its proper divisors add to 1014, which is greater than 1002.

Understand factors and multiples

Prime factorization of 1002

1002 = 2 × 3 × 167

Repeated division, step by step

  1. 1002 ÷ 2 = 501
  2. 501 ÷ 3 = 167
  3. 167 ÷ 167 = 1

Multiply the prime divisors in these steps to reconstruct 1002. Each prime in this factorization occurs once. The divisor-count calculation is (1 + 1) × (1 + 1) × (1 + 1) = 8.

The preceding prime is 997. The next larger prime is 1009. The factor list above explains why 1002 is composite.

Learn the factorization method

1002 in words, Roman numerals and other bases

Equivalent representations of the integer 1002
RepresentationValue
English (US style)one thousand two
Roman numeralMII
Binary (base 2)1111101010
Octal (base 8)1752
Decimal (base 10)1002
Hexadecimal (base 16)3EA

Check the binary conversion

Read 1111101010 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 + 32 + 8 + 2 = 1002

Check the hexadecimal conversion

3 × 16^2 + 14 × 16^1 + 10 × 16^0 = 1002

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 1002

1002 squared
1002 × 1002 = 1,004,004
1002 cubed
1002 × 1002 × 1002 = 1,006,012,008
Square root
≈ 31.654384
Simplified radical
√1002

1002 lies between 961 (31²) and 1024 (32²), so it is not a perfect square. It is not a perfect cube.

1002 is not triangular: no positive whole-number k satisfies k(k + 1) / 2 = 1002.

Distinguish a square from a square root

Multiplication table for 1002

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

1002 × 11,002
1002 × 22,004
1002 × 33,006
1002 × 44,008
1002 × 55,010
1002 × 66,012
1002 × 77,014
1002 × 88,016
1002 × 99,018
1002 × 1010,020
1002 × 1111,022
1002 × 1212,024

Divisibility checks

Quotients and remainders for divisors 2 through 12
Divide byWhole quotientRemainderDivides exactly?
25010Yes
33340Yes
42502No
52002No
61670Yes
71431No
81252No
91113No
101002No
11911No
12836No

For example, 1002 = 7 × 143 + 1. A remainder of zero is what makes a divisor a factor.

Digit sum and digital root of 1002

1002 contains 4 decimal digits. Its digit sum is 1 + 0 + 0 + 2 = 3.

  1. 1002: 1 + 0 + 0 + 2 = 3

The digital root is 3. Reversing its digits gives 2001; 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, 1002/100 simplifies to 501/50 by dividing both terms by their greatest common divisor, 2. Its decimal value is 10.02. Because the numerator exceeds the denominator, this value is greater than one.

The greatest common divisor of 1002 and 12 is 6. Their least common multiple is 2004. The identity GCD × LCM = 1002 × 12 = 12024 checks both results.

Work through GCF and LCM

Questions about 1002

What are the factors of 1002?

The positive factors are 1, 2, 3, 6, 167, 334, 501, 1002. There are 8 factors, including 1 and 1002.

Is 1002 a prime number?

No. 1002 is composite: 2 × 3 × 167 = 1002.

How do you write 1002 in Roman numerals?

1002 is MII in standard subtractive Roman numeral notation.

What is the binary representation of 1002?

1002 in decimal is 1111101010 in base 2. Adding its active place values gives 512 + 256 + 128 + 64 + 32 + 8 + 2 = 1002.

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 1002

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

The digits of 1002 add to 3. 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.