Numberwise

52,100

52100 is the bearing steel.

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Where 52,100 fits

Where 52,100 fits: Related numbersRelated numbers: 8620, 440.Related numbers862044052,100
52,100 connects to 1 world: related numbers.

Why 52,100 is special

Almost every rolling element bearing in the world is made from it, because it can be hardened uniformly and holds a very precise finished dimension.

Factors & digit properties

Divisors (18)
1, 2, 4, 5, 10, 20, 25, 50, 100, 521, 1042, 2084, 2605, 5210, 10420, 13025, 26050, 52100
Prime factorisation
2^2 × 5^2 × 521
Digit sum
8
Digital root
8

Representations

Decimal
52100
Scientific notation
5.210 × 10^4

Roman numerals

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

Binary

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

1 × 32,768 + 1 × 16,384 + 0 × 8,192 + 0 × 4,096 + 1 × 2,048 + 0 × 1,024 + 1 × 512 + 1 × 256 + 1 × 128 + 0 × 64 + 0 × 32 + 0 × 16 + 0 × 8 + 1 × 4 + 0 × 2 + 0 × 1 = 52,100

Octal

1 4 5 6 0 4

1 × 32,768 + 4 × 4,096 + 5 × 512 + 6 × 64 + 0 × 8 + 4 × 1 = 52,100

Hexadecimal

c b 8 4

c × 4,096 + b × 256 + 8 × 16 + 4 × 1 = 52,100

Read as powers of two: 32,768 + 16,384 + 2,048 + 512 + 256 + 128 + 4 = 52,100.

In historical numeral systems

Egyptian

5 fingers, 2 lotuses, 1 coil of rope

5 × 10,000 + 2 × 1,000 + 1 × 100 = 52,100. 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

Connection
One is case-hardened for a tough core under a hard surface and the other through-hardened for rolling contact.

One is case-hardened for a tough core under a hard surface and the other through-hardened for rolling contact.

View 8620 →

Other connections

  • contrasts with8620
    why?

    Strength 0.50, confidence "high".

  • is associated with440
    why?

    Strength 0.50, confidence "high".

How is 52,100 connected to another number? →

Technology & computing

  • AISI 52100 is a high-carbon chromium steel with a fine carbide structure, through-hardened for rolling contact fatigue resistance in bearing races and balls.

    DocumentedTechnology & computingGeography: International — AISI, SAE and Aluminium Association designations

Common questions

Is 52,100 a prime number?

No, 52,100 is not prime.

What are the factors of 52,100?

The factors of 52,100 are 1, 2, 4, 5, 10, 20, 25, 50, 100, 521, 1042, 2084, 2605, 5210, 10420, 13025, 26050, 52100.

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