Numberwise

8747

8747 is the integral sign.

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Where 8747 fits

Where 8747 fits: Mathematics, Related numbersMathematics: Prime, Safe prime. Related numbers: 8721.MathematicsPrimeSafe primeRelated numbers87218747
8747 connects to 2 worlds: mathematics, related numbers.

Why 8747 is special

Leibniz derived the elongated S from the word summa in 1675, so the symbol records the idea that an integral is a sum.

8747 is part of

Prime numbers

Factors & digit properties

Divisors (2)
1, 8747
Prime factorisation
8747
Digit sum
26
Digital root
8

Representations

Decimal
8747
Scientific notation
8.747 × 10^3

Roman numerals

Roman numerals as modelled here goes up to 3,999.

Binary

1 0 0 0 1 0 0 0 1 0 1 0 1 1

1 × 8,192 + 0 × 4,096 + 0 × 2,048 + 0 × 1,024 + 1 × 512 + 0 × 256 + 0 × 128 + 0 × 64 + 1 × 32 + 0 × 16 + 1 × 8 + 0 × 4 + 1 × 2 + 1 × 1 = 8,747

Octal

2 1 0 5 3

2 × 4,096 + 1 × 512 + 0 × 64 + 5 × 8 + 3 × 1 = 8,747

Hexadecimal

2 2 2 b

2 × 4,096 + 2 × 256 + 2 × 16 + b × 1 = 8,747

Read as powers of two: 8,192 + 512 + 32 + 8 + 2 + 1 = 8,747.

In historical numeral systems

Egyptian

8 lotuses, 7 coils of rope, 4 hobbles, 7 strokes

8 × 1,000 + 7 × 100 + 4 × 10 + 7 × 1 = 8,747. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.

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

Related numbers & connections

Documented appearance
Summation and integration are the discrete and continuous forms of the same operation, and their symbols reflect it.

Summation and integration are the discrete and continuous forms of the same operation, and their symbols reflect it.

View 8721 →
Connection
Leibniz drew the integral sign as an elongated S for summa, so the notation records that an integral is a sum.

Leibniz drew the integral sign as an elongated S for summa, so the notation records that an integral is a sum.

View 8721 →

Numbers Around Us

  • appears alongside8721
    why?

    Strength 0.50, confidence "high".

Other connections

  • developed from8721
    why?

    Strength 0.50, confidence "high".

How is 8747 connected to another number? →

Science

  • U+222B INTEGRAL encodes the sign introduced by Leibniz in 1675 as an elongated S for summa, reflecting the interpretation of integration as summation.

    DocumentedScienceGeography: International — Unicode ConsortiumPeriod: 1991–

Common questions

Is 8747 a prime number?

Yes, 8747 is prime — it has exactly two positive divisors: 1 and itself.

What are the factors of 8747?

The factors of 8747 are 1, 8747.

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: 15 July 2026