1519
1519 is the year Magellan's expedition set out and Cortés landed in Mexico.
- Odd
- Composite
Where 1519 fits
Why 1519 is special
Magellan died in the Philippines and never completed the circumnavigation his expedition achieved. Cortés's campaign against the Aztec empire succeeded largely because of smallpox and alliances with subject peoples, not military superiority alone.
1519 is part of
Factors & digit properties
- Divisors (6)
- 1, 7, 31, 49, 217, 1519
- Prime factorisation
- 7^2 × 31
- Digit sum
- 16
- Digital root
- 7
Representations
- Decimal
- 1519
- Scientific notation
- 1.519 × 10^3
Roman numerals
M D X I X
MDXIX uses the subtractive pair IX: one before ten — ten minus one.
Binary
1 0 1 1 1 1 0 1 1 1 1
1 × 1,024 + 0 × 512 + 1 × 256 + 1 × 128 + 1 × 64 + 1 × 32 + 0 × 16 + 1 × 8 + 1 × 4 + 1 × 2 + 1 × 1 = 1,519
Octal
2 7 5 7
2 × 512 + 7 × 64 + 5 × 8 + 7 × 1 = 1,519
Hexadecimal
5 e f
5 × 256 + e × 16 + f × 1 = 1,519
Read as powers of two: 1,024 + 256 + 128 + 64 + 32 + 8 + 4 + 2 + 1 = 1,519.
In historical numeral systems
Egyptian
1 lotus, 5 coils of rope, 1 hobble, 9 strokes
1 × 1,000 + 5 × 100 + 1 × 10 + 9 × 1 = 1,519. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
2 corner wedges + 5 vertical wedges (sixties place), 1 corner wedge + 9 vertical wedges (units place)
25 × 60 + 19 = 1519. Places are separated by a space on the tablet, with the higher place written first.
Systems that simply cannot reach this value are left out. Where a script needs a font most readers do not have, the reading is given instead of the glyphs — see number systems for each system in full.
Other mathematical patterns
- Deficient number
- Lucky number (mathematical sieve)
Related numbers & connections
1519 is a year in the 16th century, in the 1510s.
Magellan's expedition left in 1519 and returned in 1522 without him. Eighteen of about 270 men completed the first circumnavigation, and their log was a day behind.
View 1522 →Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
Other connections
- developed from1522
why?
Strength 0.50, confidence "high".
History
In 1519, Magellan's expedition set out from Seville to find a western route to the Spice Islands (Atlantic and Pacific).
DocumentedHistoryGeography: Atlantic and PacificPeriod: 1519In 1519, Cortes reached Tenochtitlan, then among the largest cities in the world (Mesoamerica).
DocumentedHistoryGeography: MesoamericaPeriod: 1519In 1519, Leonardo da Vinci died at Amboise (France).
DocumentedHistoryGeography: FrancePeriod: 1519Magellan did not circumnavigate the globe — he was killed in the Philippines and eighteen of about 270 men finished the voyage. Cortés did not defeat the Aztec empire with a few hundred men; he did it with tens of thousands of indigenous allies and an epidemic.
DocumentedHistoryGeography: Spain, the Philippines and MexicoPeriod: 1519
Common questions
Is 1519 a prime number?
No, 1519 is not prime.
What are the factors of 1519?
The factors of 1519 are 1, 7, 31, 49, 217, 1519.
What is 1519 in Roman numerals?
1519 in Roman numerals is MDXIX. IX is subtractive: one before ten — ten minus one. Written additively it would be MDXVIIII, which Roman inscriptions used freely — the strict subtractive form is a later convention.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 4 reviewer-confirmed records, sourced and reviewed before publication.
Last reviewed: 15 July 2026