1672
1672 is the year Newton published his work on the spectrum.
- Even
- Composite
Where 1672 fits
Why 1672 is special
Passing sunlight through a prism and then recombining it showed white light is composed of colours rather than being coloured by the glass. The result was disputed for years.
Factors & digit properties
- Divisors (16)
- 1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672
- Prime factorisation
- 2^3 × 11 × 19
- Digit sum
- 16
- Digital root
- 7
Representations
- Decimal
- 1672
- Binary
- 11010001000
- Octal
- 3210
- Hexadecimal
- 688
- Roman numeral
- MDCLXXII
- Scientific notation
- 1.672 × 10^3
Other mathematical patterns
- Abundant number
Related numbers & connections
Newton built the reflecting telescope in 1668 and published his work on the spectrum in 1672. Both address the same defect in lenses: colour fringing.
View 1668 →Other connections
- is associated with1668
why?
Strength 0.50, confidence "high".
Science
Newton's decisive step in 1672 was recombining the spectrum back into white light, which showed the prism separated rather than created colour. The experiment was contested by Hooke and others.
DocumentedScienceGeography: EnglandPeriod: 1672
Common questions
Is 1672 a prime number?
No, 1672 is not prime.
What are the factors of 1672?
The factors of 1672 are 1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672.
What is 1672 in Roman numerals?
1672 in Roman numerals is MDCLXXII.
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