1946
1946 is the year ENIAC was unveiled.
- Even
- Composite
Where 1946 fits
Why 1946 is special
It weighed 27 tonnes and was programmed by physically rewiring it, a task performed by six women whose contribution went unacknowledged for decades. It is often called the first electronic general-purpose computer, a claim that depends heavily on how the terms are defined.
Factors & digit properties
- Divisors (8)
- 1, 2, 7, 14, 139, 278, 973, 1946
- Prime factorisation
- 2 × 7 × 139
- Digit sum
- 20
- Digital root
- 2
Representations
- Decimal
- 1946
- Binary
- 11110011010
- Octal
- 3632
- Hexadecimal
- 79a
- Roman numeral
- MCMXLVI
- Scientific notation
- 1.946 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
Five years took computing from a rewired laboratory instrument to a product a customer could buy, and UNIVAC's televised election forecast put it in front of the public.
View 1951 →Technology & computing
ENIAC weighed 27 tonnes and was programmed by physically rewiring it, work done by six women whose role went unacknowledged for decades. Whether it was the first electronic general-purpose computer depends entirely on how the terms are defined.
DocumentedTechnology & computingPeriod: 1946
Common questions
Is 1946 a prime number?
No, 1946 is not prime.
What are the factors of 1946?
The factors of 1946 are 1, 2, 7, 14, 139, 278, 973, 1946.
What is 1946 in Roman numerals?
1946 in Roman numerals is MCMXLVI.
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