Numberwise

6820

NGC 6820 is an emission nebula with a striking pillar.

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

Where 6820 fits

Where 6820 fits: Related numbersRelated numbers: 6823.Related numbers68236820
6820 connects to 1 world: related numbers.

Why 6820 is special

It is a small-scale version of the same process that produced the Eagle Nebula's pillars, which shows how general the mechanism is.

Factors & digit properties

Divisors (24)
1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820
Prime factorisation
2^2 × 5 × 11 × 31
Digit sum
16
Digital root
7

Representations

Decimal
6820
Scientific notation
6.820 × 10^3

Roman numerals

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

Binary

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

1 × 4,096 + 1 × 2,048 + 0 × 1,024 + 1 × 512 + 0 × 256 + 1 × 128 + 0 × 64 + 1 × 32 + 0 × 16 + 0 × 8 + 1 × 4 + 0 × 2 + 0 × 1 = 6,820

Octal

1 5 2 4 4

1 × 4,096 + 5 × 512 + 2 × 64 + 4 × 8 + 4 × 1 = 6,820

Hexadecimal

1 a a 4

1 × 4,096 + a × 256 + a × 16 + 4 × 1 = 6,820

Read as powers of two: 4,096 + 2,048 + 512 + 128 + 32 + 4 = 6,820.

In historical numeral systems

Egyptian

6 lotuses, 8 coils of rope, 2 hobbles

6 × 1,000 + 8 × 100 + 2 × 10 = 6,820. 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

  • Abundant number

Related numbers & connections

Documented appearance
A nebula and the cluster ionising it, carrying consecutive catalogue numbers.

A nebula and the cluster ionising it, carrying consecutive catalogue numbers.

View 6823 →
Connection
The cluster's massive stars are what light and erode the surrounding gas.

The cluster's massive stars are what light and erode the surrounding gas.

View 6823 →

Numbers Around Us

  • appears alongside6823
    why?

    Strength 0.50, confidence "high".

Other connections

  • is associated with6823
    why?

    Strength 0.50, confidence "high".

How is 6820 connected to another number? →

Science

  • NGC 6820 is an emission nebula in Vulpecula whose trunk-like structures are formed by photoevaporation from the associated cluster NGC 6823.

    DocumentedSciencePeriod: 1784–

Common questions

Is 6820 a prime number?

No, 6820 is not prime.

What are the factors of 6820?

The factors of 6820 are 1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820.

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