1441
1441 is the year the Atlantic slave trade began in Portugal.
- Odd
- Composite
Where 1441 fits
Why 1441 is special
The first cargo of enslaved Africans was landed at Lagos in Portugal, beginning a trade that ran for over four centuries.
1441 is part of
Factors & digit properties
- Divisors (4)
- 1, 11, 131, 1441
- Prime factorisation
- 11 × 131
- Digit sum
- 10
- Digital root
- 1
Representations
- Decimal
- 1441
- Binary
- 10110100001
- Octal
- 2641
- Hexadecimal
- 5a1
- Roman numeral
- MCDXLI
- Scientific notation
- 1.441 × 10^3
Other mathematical patterns
- Palindromic number
- Deficient number
- Semiprime
- Lucky number (mathematical sieve)
Related numbers & connections
Portugal landed the first enslaved Africans in Europe in 1441, and da Gama's 1498 sea route to India extended the same maritime enterprise eastward.
View 1498 →Other connections
- developed from1498
why?
Strength 0.50, confidence "high".
History
Portuguese ships landed the first enslaved Africans in Europe in 1441, opening the Atlantic trade. It continued in some form until the 1860s.
DocumentedHistoryGeography: Portugal and West AfricaPeriod: 1441
Common questions
Is 1441 a prime number?
No, 1441 is not prime.
What are the factors of 1441?
The factors of 1441 are 1, 11, 131, 1441.
What is 1441 in Roman numerals?
1441 in Roman numerals is MCDXLI.
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