1530
1530 is the year the Augsburg Confession was presented.
- Even
- Composite
Where 1530 fits
Why 1530 is special
It set out Lutheran doctrine in a form intended to show compatibility with Catholic tradition. It failed to reconcile the parties and became the defining Lutheran statement instead.
Same number, different meanings
How 1530 is understood across different contexts — never implying one meaning because of another.
- Mathematics
It set out Lutheran doctrine in a form intended to show compatibility with Catholic tradition. It failed to reconcile the parties and became the defining Lutheran statement instead.
- History
In 1530, the Augsburg Confession set out the core Lutheran position to the Holy Roman Emperor (Holy Roman Empire).
- Religion & belief
The Augsburg Confession was drafted to demonstrate that Lutheran teaching was not a break with the church. It did not achieve reconciliation and became the confessional basis of Lutheranism.
1530 is part of
Factors & digit properties
- Divisors (24)
- 1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530
- Prime factorisation
- 2 × 3^2 × 5 × 17
- Digit sum
- 9
- Digital root
- 9
Representations
- Decimal
- 1530
- Scientific notation
- 1.530 × 10^3
Roman numerals
M D X X X
Binary
1 0 1 1 1 1 1 1 0 1 0
1 × 1,024 + 0 × 512 + 1 × 256 + 1 × 128 + 1 × 64 + 1 × 32 + 1 × 16 + 1 × 8 + 0 × 4 + 1 × 2 + 0 × 1 = 1,530
Octal
2 7 7 2
2 × 512 + 7 × 64 + 7 × 8 + 2 × 1 = 1,530
Hexadecimal
5 f a
5 × 256 + f × 16 + a × 1 = 1,530
Read as powers of two: 1,024 + 256 + 128 + 64 + 32 + 16 + 8 + 2 = 1,530.
In historical numeral systems
Egyptian
1 lotus, 5 coils of rope, 3 hobbles
1 × 1,000 + 5 × 100 + 3 × 10 = 1,530. 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), 3 corner wedges (units place)
25 × 60 + 30 = 1530. 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
- Abundant number
- Harshad (Niven) number
Related numbers & connections
1530 is a year in the 16th century, in the 1530s.
Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
History
In 1530, the Augsburg Confession set out the core Lutheran position to the Holy Roman Emperor (Holy Roman Empire).
DocumentedHistoryGeography: Holy Roman EmpirePeriod: 1530
Religion & belief
The Augsburg Confession was drafted to demonstrate that Lutheran teaching was not a break with the church. It did not achieve reconciliation and became the confessional basis of Lutheranism.
DocumentedReligion & beliefGeography: Holy Roman EmpirePeriod: 1530
Common questions
Is 1530 a prime number?
No, 1530 is not prime.
What are the factors of 1530?
The factors of 1530 are 1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530.
What is 1530 in Roman numerals?
1530 in Roman numerals is MDXXX.
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