1966
1966 is the year England won the football World Cup and China's Cultural Revolution began.
- Even
- Composite
Where 1966 fits
Why 1966 is special
The World Cup's disputed third goal is still argued about. The Cultural Revolution ran for a decade and closed universities, destroyed cultural artefacts and displaced millions.
Factors & digit properties
- Divisors (4)
- 1, 2, 983, 1966
- Prime factorisation
- 2 × 983
- Digit sum
- 22
- Digital root
- 4
Representations
- Decimal
- 1966
- Binary
- 11110101110
- Octal
- 3656
- Hexadecimal
- 7ae
- Roman numeral
- MCMLXVI
- Scientific notation
- 1.966 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
Sport
England's third goal in the 1966 final — whether the ball crossed the line — has been re-examined with every advance in film analysis since, without a settled answer. Few sporting incidents have sustained that much scrutiny for that long.
DocumentedSportGeography: EnglandPeriod: 1966
Common questions
Is 1966 a prime number?
No, 1966 is not prime.
What are the factors of 1966?
The factors of 1966 are 1, 2, 983, 1966.
What is 1966 in Roman numerals?
1966 in Roman numerals is MCMLXVI.
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