4468
4468 is the locomotive Mallard, which holds the world steam speed record.
- Even
- Composite
Where 4468 fits
Why 4468 is special
It reached 126 mph in 1938 on a slight downhill gradient and damaged its centre big-end bearing doing so. The record has stood for nearly ninety years and is unlikely to be attempted again.
Factors & digit properties
- Divisors (6)
- 1, 2, 4, 1117, 2234, 4468
- Prime factorisation
- 2^2 × 1117
- Digit sum
- 22
- Digital root
- 4
Representations
- Decimal
- 4468
- Binary
- 1000101110100
- Octal
- 10564
- Hexadecimal
- 1174
- Scientific notation
- 4.468 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
Both are streamlined British express locomotives of the 1930s, and one toured America under another engine's identity.
View 6229 →Tornado was built in 2008 to a design whose last original example had been scrapped, and is certified for main line running.
View 60163 →Numbers Around Us
- appears alongside6229
why?
Strength 0.50, confidence "high".
Technology & computing
Mallard reached 126 mph in 1938 and had to be withdrawn immediately with bearing damage. No serious attempt has been made since, so a record set at the edge of destruction has stood for nine decades.
DocumentedTechnology & computingGeography: United KingdomPeriod: 1938
Common questions
Is 4468 a prime number?
No, 4468 is not prime.
What are the factors of 4468?
The factors of 4468 are 1, 2, 4, 1117, 2234, 4468.
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