1572
Tycho's supernova of 1572 helped end the idea of an unchanging heavens.
- Even
- Composite
Where 1572 fits
Why 1572 is special
Aristotelian cosmology held that the realm beyond the Moon never changed. Tycho Brahe showed the new star had no measurable parallax and so lay far beyond the Moon, which meant the unchangeable heavens had changed.
1572 is part of
Factors & digit properties
- Divisors (12)
- 1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572
- Prime factorisation
- 2^2 × 3 × 131
- Digit sum
- 15
- Digital root
- 6
Representations
- Decimal
- 1572
- Binary
- 11000100100
- Octal
- 3044
- Hexadecimal
- 624
- Roman numeral
- MDLXXII
- Scientific notation
- 1.572 × 10^3
Other mathematical patterns
- Abundant number
- Happy number
Related numbers & connections
Tycho's star and Kepler's star, 32 years apart, are the last two naked-eye supernovae recorded in our galaxy. Both arrived precisely when European astronomy was equipped to argue about what they meant.
View 1604 →Other connections
- contrasts with1604
why?
Strength 0.50, confidence "high".
Science
Tycho measured the 1572 star's parallax, found none, and concluded it lay beyond the Moon. That single measurement contradicted the doctrine that the heavens above the Moon were immutable, which mattered more than the star itself.
DocumentedSciencePeriod: 1572
Common questions
Is 1572 a prime number?
No, 1572 is not prime.
What are the factors of 1572?
The factors of 1572 are 1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572.
What is 1572 in Roman numerals?
1572 in Roman numerals is MDLXXII.
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