Number dictionary · Exact arithmetic

1007: factors and number facts

one thousand seven is an odd number and is composite. Its 4 positive divisors form 2 factor pairs.

Number JD Editorial Team · Updated 2026-10-08

In words
one thousand seven
Roman numeral
MVII
Prime factorization
19 × 53
Digital root
8

All factors of 1007

A positive factor divides 1007 with no remainder. In ascending order, the complete list is:

1, 19, 53, 1007

Factor pairs

  • 1 × 1007 = 1007
  • 19 × 53 = 1007

Each pair describes an arrangement of 1007 items into equal rows. The pairs have different row and column counts; 1007 cannot make a square array of whole items.

Divisor totals

Positive divisors
4
Sum of all divisors
1080
Sum excluding 1007
73
Classification
deficient

1007 is deficient because its proper divisors add to 73, which is less than 1007.

Understand factors and multiples

Prime factorization of 1007

1007 = 19 × 53

Repeated division, step by step

  1. 1007 ÷ 19 = 53
  2. 53 ÷ 53 = 1

Multiply the prime divisors in these steps to reconstruct 1007. Each prime in this factorization occurs once. The divisor-count calculation is (1 + 1) × (1 + 1) = 4.

The preceding prime is 997. The next larger prime is 1009. The factor list above explains why 1007 is composite.

Learn the factorization method

1007 in words, Roman numerals and other bases

Equivalent representations of the integer 1007
RepresentationValue
English (US style)one thousand seven
Roman numeralMVII
Binary (base 2)1111101111
Octal (base 8)1757
Decimal (base 10)1007
Hexadecimal (base 16)3EF

Check the binary conversion

Read 1111101111 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 + 4 + 2 + 1 = 1007

Check the hexadecimal conversion

3 × 16^2 + 14 × 16^1 + 15 × 16^0 = 1007

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 1007

1007 squared
1007 × 1007 = 1,014,049
1007 cubed
1007 × 1007 × 1007 = 1,021,147,343
Square root
≈ 31.733263
Simplified radical
√1007

1007 lies between 961 (31²) and 1024 (32²), so it is not a perfect square. It is not a perfect cube.

1007 is not triangular: no positive whole-number k satisfies k(k + 1) / 2 = 1007.

Distinguish a square from a square root

Multiplication table for 1007

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

1007 × 11,007
1007 × 22,014
1007 × 33,021
1007 × 44,028
1007 × 55,035
1007 × 66,042
1007 × 77,049
1007 × 88,056
1007 × 99,063
1007 × 1010,070
1007 × 1111,077
1007 × 1212,084

Divisibility checks

Quotients and remainders for divisors 2 through 12
Divide byWhole quotientRemainderDivides exactly?
25031No
33352No
42513No
52012No
61675No
71436No
81257No
91118No
101007No
11916No
128311No

For example, 1007 = 7 × 143 + 6. A remainder of zero is what makes a divisor a factor.

Digit sum and digital root of 1007

1007 contains 4 decimal digits. Its digit sum is 1 + 0 + 0 + 7 = 8.

  1. 1007: 1 + 0 + 0 + 7 = 8

The digital root is 8. Reversing its digits gives 7001; 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, 1007/100 simplifies to 1007/100 by dividing both terms by their greatest common divisor, 1. Its decimal value is 10.07. Because the numerator exceeds the denominator, this value is greater than one.

The greatest common divisor of 1007 and 12 is 1. Their least common multiple is 12084. The identity GCD × LCM = 1007 × 12 = 12084 checks both results.

Work through GCF and LCM

Questions about 1007

What are the factors of 1007?

The positive factors are 1, 19, 53, 1007. There are 4 factors, including 1 and 1007.

Is 1007 a prime number?

No. 1007 is composite: 19 × 53 = 1007.

How do you write 1007 in Roman numerals?

1007 is MVII in standard subtractive Roman numeral notation.

What is the binary representation of 1007?

1007 in decimal is 1111101111 in base 2. Adding its active place values gives 512 + 256 + 128 + 64 + 32 + 8 + 4 + 2 + 1 = 1007.

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 1007

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

The digits of 1007 add to 8. 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.