Numberwise

1450

1450 is the approximate year Gutenberg's printing press began operating.

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Where 1450 fits

Where 1450 fits: Mathematics, Related numbersMathematics: Harshad (Niven) number. Related numbers: 1457, 1465, 1517.MathematicsHarshad (Niven) numberRelated numbers1457146515171450
1450 connects to 2 worlds: mathematics, related numbers.

Why 1450 is special

Movable type existed in Korea and China centuries earlier; Gutenberg's contribution was the combination of metal type, oil-based ink and a press adapted from wine-making. Within fifty years Europe held millions of printed books where it had held thousands.

Factors & digit properties

Divisors (12)
1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450
Prime factorisation
2 × 5^2 × 29
Digit sum
10
Digital root
1

Representations

Decimal
1450
Binary
10110101010
Octal
2652
Hexadecimal
5aa
Roman numeral
MCDL
Scientific notation
1.450 × 10^3

Other mathematical patterns

  • Deficient number
  • Harshad (Niven) number

Related numbers & connections

Connection
The Mainz Psalter of 1457 is the first printed book naming its printer and date. Gutenberg's Bible, from around 1450, carries neither.

The Mainz Psalter of 1457 is the first printed book naming its printer and date. Gutenberg's Bible, from around 1450, carries neither.

View 1457 →

Other connections

  • developed from1457
    why?

    Strength 0.50, confidence "high".

  • developed from1465
    why?

    Strength 0.50, confidence "high".

  • is associated with1517
    why?

    Strength 0.50, confidence "high".

How is 1450 connected to another number? →

Technology & computing

  • Movable metal type was in use in Korea by the thirteenth century. Gutenberg's advance was a system — durable metal type, oil-based ink and a screw press — that made European printing economic. The distinction matters because the popular claim of invention is wrong in a specific way.

    DocumentedTechnology & computingGeography: Mainz, Holy Roman EmpirePeriod: around 1450

Common questions

Is 1450 a prime number?

No, 1450 is not prime.

What are the factors of 1450?

The factors of 1450 are 1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450.

What is 1450 in Roman numerals?

1450 in Roman numerals is MCDL.

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