1932
1932 is the year the neutron was discovered.
- Even
- Composite
Where 1932 fits
Why 1932 is special
Chadwick's identification completed the basic picture of the atomic nucleus and made controlled nuclear fission conceivable within seven years. The same year, the positron was found — the first antimatter particle observed.
1932 is part of
Factors & digit properties
- Divisors (24)
- 1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932
- Prime factorisation
- 2^2 × 3 × 7 × 23
- Digit sum
- 15
- Digital root
- 6
Representations
- Decimal
- 1932
- Scientific notation
- 1.932 × 10^3
Roman numerals
M C M X X X I I
MCMXXXII uses the subtractive pair CM: a hundred before a thousand — a thousand minus a hundred.
Binary
1 1 1 1 0 0 0 1 1 0 0
1 × 1,024 + 1 × 512 + 1 × 256 + 1 × 128 + 0 × 64 + 0 × 32 + 0 × 16 + 1 × 8 + 1 × 4 + 0 × 2 + 0 × 1 = 1,932
Octal
3 6 1 4
3 × 512 + 6 × 64 + 1 × 8 + 4 × 1 = 1,932
Hexadecimal
7 8 c
7 × 256 + 8 × 16 + c × 1 = 1,932
Read as powers of two: 1,024 + 512 + 256 + 128 + 8 + 4 = 1,932.
In historical numeral systems
Egyptian
1 lotus, 9 coils of rope, 3 hobbles, 2 strokes
1 × 1,000 + 9 × 100 + 3 × 10 + 2 × 1 = 1,932. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
3 corner wedges + 2 vertical wedges (sixties place), 1 corner wedge + 2 vertical wedges (units place)
32 × 60 + 12 = 1932. Places are separated by a space on the tablet, with the higher place written first.
Systems that simply cannot reach this value are left out. Where a script needs a font most readers do not have, the reading is given instead of the glyphs — see number systems for each system in full.
Other mathematical patterns
- Abundant number
Related numbers & connections
1932 is a year in the 20th century, in the 1930s.
Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
Science
In 1932, James Chadwick identified the neutron, completing the picture of the atomic nucleus (England).
DocumentedScienceGeography: EnglandPeriod: 1932Chadwick's identification of the neutron completed the basic model of the nucleus and made controlled fission thinkable within seven years. The positron — the first antimatter particle observed — was found the same year.
DocumentedSciencePeriod: 1932
Common questions
Is 1932 a prime number?
No, 1932 is not prime.
What are the factors of 1932?
The factors of 1932 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932.
What is 1932 in Roman numerals?
1932 in Roman numerals is MCMXXXII. CM is subtractive: a hundred before a thousand — a thousand minus a hundred. Written additively it would be MDCCCCXXXII, which Roman inscriptions used freely — the strict subtractive form is a later convention.
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