542
BWV 542 is the Great Fantasia and Fugue in G minor.
- Even
- Composite
Where 542 fits
Why 542 is special
Its fugue subject is a Dutch folk tune, which is a documented case of Bach building a major work on borrowed popular material.
Factors & digit properties
- Divisors (4)
- 1, 2, 271, 542
- Prime factorisation
- 2 × 271
- Digit sum
- 11
- Digital root
- 2
Representations
- Decimal
- 542
- Binary
- 1000011110
- Octal
- 1036
- Hexadecimal
- 21e
- Roman numeral
- DXLII
- Scientific notation
- 5.420 × 10^2
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
Little and great refer to length rather than quality, which is a naming convention rather than a judgement.
View 578 →Media & popular culture
BWV 542 pairs a freely chromatic fantasia with a fugue whose subject derives from a Dutch song, a borrowing noted in the scholarly literature.
DocumentedMedia & popular cultureGeography: GermanyPeriod: c.1720
Common questions
Is 542 a prime number?
No, 542 is not prime.
What are the factors of 542?
The factors of 542 are 1, 2, 271, 542.
What is 542 in Roman numerals?
542 in Roman numerals is DXLII.
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