711
711 is the year Muslim forces crossed into the Iberian Peninsula.
- Odd
- Composite
Where 711 fits
Why 711 is special
Most of Iberia was under Muslim rule within a decade, and some part of it remained so for 781 years. Córdoba became one of the largest and most learned cities in Europe.
Factors & digit properties
- Divisors (6)
- 1, 3, 9, 79, 237, 711
- Prime factorisation
- 3^2 × 79
- Digit sum
- 9
- Digital root
- 9
Representations
- Decimal
- 711
- Binary
- 1011000111
- Octal
- 1307
- Hexadecimal
- 2c7
- Roman numeral
- DCCXI
- Scientific notation
- 7.110 × 10^2
Other mathematical patterns
- Deficient number
- Harshad (Niven) number
Related numbers & connections
Muslim rule in Iberia began in 711 and ended in 1492 — 781 years, which is longer than most states have existed.
View 1492 →Other connections
- is associated with1492
why?
Strength 0.50, confidence "high".
History
Muslim rule in Iberia began in 711 and ended in 1492. Al-Andalus at its height sustained libraries and scholarship on a scale unmatched elsewhere in western Europe.
DocumentedHistoryGeography: Iberian PeninsulaPeriod: 711–1492
Common questions
Is 711 a prime number?
No, 711 is not prime.
What are the factors of 711?
The factors of 711 are 1, 3, 9, 79, 237, 711.
What is 711 in Roman numerals?
711 in Roman numerals is DCCXI.
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