1511
1511 is the year Erasmus published In Praise of Folly.
- Odd
- Prime
Where 1511 fits
Why 1511 is special
Written in a week at Thomas More's house, it satirised church corruption from inside the church. It sold enormously and is often described as having prepared the ground Luther worked six years later.
Same number, different meanings
How 1511 is understood across different contexts — never implying one meaning because of another.
- Mathematics
Written in a week at Thomas More's house, it satirised church corruption from inside the church. It sold enormously and is often described as having prepared the ground Luther worked six years later.
- History
In 1511, the Portuguese captured Malacca, taking control of the strait between the Indian Ocean and the South China Sea (Southeast Asia).
- Culture
Erasmus attacked clerical abuses in 1511 while remaining Catholic and later opposing Luther. The distinction between reform and rupture is exactly what his career illustrates.
1511 is part of
Factors & digit properties
- Divisors (2)
- 1, 1511
- Prime factorisation
- 1511
- Digit sum
- 8
- Digital root
- 8
Representations
- Decimal
- 1511
- Scientific notation
- 1.511 × 10^3
Roman numerals
M D X I
Binary
1 0 1 1 1 1 0 0 1 1 1
1 × 1,024 + 0 × 512 + 1 × 256 + 1 × 128 + 1 × 64 + 1 × 32 + 0 × 16 + 0 × 8 + 1 × 4 + 1 × 2 + 1 × 1 = 1,511
Octal
2 7 4 7
2 × 512 + 7 × 64 + 4 × 8 + 7 × 1 = 1,511
Hexadecimal
5 e 7
5 × 256 + e × 16 + 7 × 1 = 1,511
Read as powers of two: 1,024 + 256 + 128 + 64 + 32 + 4 + 2 + 1 = 1,511.
In historical numeral systems
Egyptian
1 lotus, 5 coils of rope, 1 hobble, 1 stroke
1 × 1,000 + 5 × 100 + 1 × 10 + 1 × 1 = 1,511. 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 + 1 vertical wedge (units place)
25 × 60 + 11 = 1511. 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
- Happy number
- Sophie Germain prime
Related numbers & connections
1511 is a year in the 16th century, in the 1510s.
Erasmus attacked clerical abuses from inside the church in 1511 and opposed Luther's rupture six years later. Reform and schism were distinct positions held by people who agreed about the problem.
View 1517 →Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
Other connections
- developed from1517
why?
Strength 0.50, confidence "high".
History
In 1511, the Portuguese captured Malacca, taking control of the strait between the Indian Ocean and the South China Sea (Southeast Asia).
DocumentedHistoryGeography: Southeast AsiaPeriod: 1511
Culture
Erasmus attacked clerical abuses in 1511 while remaining Catholic and later opposing Luther. The distinction between reform and rupture is exactly what his career illustrates.
DocumentedCultureGeography: EuropePeriod: 1511
Common questions
Is 1511 a prime number?
Yes, 1511 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 1511?
The factors of 1511 are 1, 1511.
What is 1511 in Roman numerals?
1511 in Roman numerals is MDXI.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 2 reviewer-confirmed records, sourced and reviewed before publication.
Last reviewed: 15 July 2026