Numberwise

1632

1632 is the year Galileo published his Dialogue on the two world systems.

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Where 1632 fits

Where 1632 fits: MathematicsMathematics: Harshad (Niven) number.MathematicsHarshad (Niven) number1632
1632 connects to 1 world: mathematics.

Why 1632 is special

He put the pope's argument in the mouth of a character called Simplicio. Whether the insult was intended is disputed; the trial that followed a year later is not.

Factors & digit properties

Divisors (24)
1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632
Prime factorisation
2^5 × 3 × 17
Digit sum
12
Digital root
3

Representations

Decimal
1632
Binary
11001100000
Octal
3140
Hexadecimal
660
Roman numeral
MDCXXXII
Scientific notation
1.632 × 10^3

Other mathematical patterns

  • Abundant number
  • Harshad (Niven) number

Science

  • Galileo's Dialogue presented the geocentric case through a character called Simplicio, using arguments the pope had personally put to him. Intended or not, the trial followed within a year.

    DocumentedScienceGeography: ItalyPeriod: 1632

Common questions

Is 1632 a prime number?

No, 1632 is not prime.

What are the factors of 1632?

The factors of 1632 are 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632.

What is 1632 in Roman numerals?

1632 in Roman numerals is MDCXXXII.

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