Numberwise

1932

1932 is the year the neutron was discovered.

1 confirmed record · 1 sourceChecked, general knowledgeHow we qualify claimsReport a correction

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.

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
Binary
11110001100
Octal
3614
Hexadecimal
78c
Roman numeral
MCMXXXII
Scientific notation
1.932 × 10^3

Other mathematical patterns

  • Abundant number

Science

  • Chadwick'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.

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