Numberwise

25,143

25143 Itokawa was the target of the Hayabusa mission.

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

Where 25,143 fits

Where 25,143 fits: Related numbersRelated numbers: 162173, 951.Related numbers16217395125,143
25,143 connects to 1 world: related numbers.

Why 25,143 is special

The spacecraft returned the first material ever collected from an asteroid, though a series of failures meant it brought back only about 1,500 grains.

Factors & digit properties

Divisors (12)
1, 3, 17, 29, 51, 87, 289, 493, 867, 1479, 8381, 25143
Prime factorisation
3 × 17^2 × 29
Digit sum
15
Digital root
6

Representations

Decimal
25143
Binary
110001000110111
Octal
61067
Hexadecimal
6237
Scientific notation
2.514 × 10^4

Other mathematical patterns

  • Deficient number

Related numbers & connections

Connection
Hayabusa2 corrected the sampling failures of the first mission and returned material from a crater it made deliberately.

Hayabusa2 corrected the sampling failures of the first mission and returned material from a crater it made deliberately.

View 162173 →

Other connections

  • developed from162173
    why?

    Strength 0.50, confidence "high".

  • developed from951
    why?

    Strength 0.50, confidence "high".

How is 25,143 connected to another number? →

Science

  • Hayabusa reached 25143 Itokawa in 2005 and returned a capsule in 2010. Sampling malfunctioned, but roughly 1,500 particles were recovered and confirmed as asteroidal.

    DocumentedSciencePeriod: 1998–

Common questions

Is 25,143 a prime number?

No, 25,143 is not prime.

What are the factors of 25,143?

The factors of 25,143 are 1, 3, 17, 29, 51, 87, 289, 493, 867, 1479, 8381, 25143.

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