1938
1938 is the year nuclear fission was discovered.
- Even
- Composite
Where 1938 fits
Why 1938 is special
Hahn and Strassmann split uranium and could not explain the result; Lise Meitner and Otto Frisch worked out what had happened and named it. Hahn alone received the Nobel Prize, an omission now widely regarded as a serious injustice.
Factors & digit properties
- Divisors (16)
- 1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 646, 969, 1938
- Prime factorisation
- 2 × 3 × 17 × 19
- Digit sum
- 21
- Digital root
- 3
Representations
- Decimal
- 1938
- Binary
- 11110010010
- Octal
- 3622
- Hexadecimal
- 792
- Roman numeral
- MCMXXXVIII
- Scientific notation
- 1.938 × 10^3
Other mathematical patterns
- Abundant number
Related numbers & connections
Darwin described inheritance without a mechanism and Meitner and Frisch explained a result their collaborators could not. Both are cases where the interpretation mattered more than the observation.
View 1859 →Science
Hahn and Strassmann split uranium and could not account for the result. Lise Meitner and Otto Frisch worked out what had happened and named it fission. Hahn alone received the Nobel Prize, an omission now widely treated as a serious injustice.
DocumentedSciencePeriod: 1938
Common questions
Is 1938 a prime number?
No, 1938 is not prime.
What are the factors of 1938?
The factors of 1938 are 1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 646, 969, 1938.
What is 1938 in Roman numerals?
1938 in Roman numerals is MCMXXXVIII.
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