1320
1320 is the year of the Declaration of Arbroath.
- Even
- Composite
Where 1320 fits
Why 1320 is special
A letter from Scottish nobles to the pope asserting independence, it contains a passage about fighting for freedom rather than glory that is frequently quoted and rarely read in context.
Factors & digit properties
- Divisors (32)
- 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320
- Prime factorisation
- 2^3 × 3 × 5 × 11
- Digit sum
- 6
- Digital root
- 6
Representations
- Decimal
- 1320
- Binary
- 10100101000
- Octal
- 2450
- Hexadecimal
- 528
- Roman numeral
- MCCCXX
- Scientific notation
- 1.320 × 10^3
Other mathematical patterns
- Abundant number
- Harshad (Niven) number
Law & regulation
The Declaration of Arbroath asserted Scottish independence to the pope in 1320. Its famous passage on freedom sits inside a document that also threatens to depose its own king if he submits to England.
DocumentedLaw & regulationGeography: ScotlandPeriod: 1320
Common questions
Is 1320 a prime number?
No, 1320 is not prime.
What are the factors of 1320?
The factors of 1320 are 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320.
What is 1320 in Roman numerals?
1320 in Roman numerals is MCCCXX.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.
Last reviewed: 3 August 2026