154
The Tupolev Tu-154 carried much of the Soviet Union's air traffic.
- Even
- Composite
Where 154 fits
Why 154 is special
Its three engines and high-pressure tyres let it work from unpaved and poorly maintained strips that Western jets of the period could not use.
Factors & digit properties
- Divisors (8)
- 1, 2, 7, 11, 14, 22, 77, 154
- Prime factorisation
- 2 × 7 × 11
- Digit sum
- 10
- Digital root
- 1
Representations
- Decimal
- 154
- Binary
- 10011010
- Octal
- 232
- Hexadecimal
- 9a
- Roman numeral
- CLIV
- Scientific notation
- 1.540 × 10^2
Other mathematical patterns
- Deficient number
Related numbers & connections
Both were Soviet airliners built in large numbers for infrastructure that Western jets could not use.
View 134 →The two Tupolev jets covered short and medium haul across the same network for four decades.
View 134 →Technology & computing
The Tupolev Tu-154 entered service in 1972 and was built in over nine hundred examples. Its landing gear and engine configuration permitted operation from gravel and rough runways.
DocumentedTechnology & computingGeography: Soviet Union and successor statesPeriod: 1972–2020
Common questions
Is 154 a prime number?
No, 154 is not prime.
What are the factors of 154?
The factors of 154 are 1, 2, 7, 11, 14, 22, 77, 154.
What is 154 in Roman numerals?
154 in Roman numerals is CLIV.
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