94
94 is the atomic number of plutonium, whose isotope Pu-239 was the fissile material in the atomic bomb dropped on Nagasaki in 1945.
- Even
- Composite
Where 94 fits
Why 94 is special
94's element carries the same weight of 20th-century history as uranium (92), from the opposite side of the same story.
Same number, different meanings
How 94 is understood across different contexts — never implying one meaning because of another.
- Mathematics
94's element carries the same weight of 20th-century history as uranium (92), from the opposite side of the same story.
- Science
94 is the atomic number of plutonium.
- History
Plutonium's isotope Pu-239 was the fissile material used in the atomic bomb dropped on Nagasaki in 1945.
94 is part of
Factors & digit properties
- Divisors (4)
- 1, 2, 47, 94
- Prime factorisation
- 2 × 47
- Digit sum
- 13
- Digital root
- 4
Representations
- Decimal
- 94
- Binary
- 1011110
- Octal
- 136
- Hexadecimal
- 5e
- Roman numeral
- XCIV
- Scientific notation
- 9.400 × 10^1
Other mathematical patterns
- Deficient number
- Happy number
- Semiprime
Related numbers & connections
47 is a factor of 94 (47 × 2 = 94).
View 47 →Mathematically related
- has factor47
why?
Strength 0.50, confidence "high".
Science
94 is the atomic number of plutonium.
DocumentedScience
History
Plutonium's isotope Pu-239 was the fissile material used in the atomic bomb dropped on Nagasaki in 1945.
DocumentedHistoryPeriod: 1945
Common questions
Is 94 a prime number?
No, 94 is not prime.
What are the factors of 94?
The factors of 94 are 1, 2, 47, 94.
What is 94 in Roman numerals?
94 in Roman numerals is XCIV.
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