625
Alloy 625 is a nickel superalloy.
Where 625 fits
Why 625 is special
It keeps its strength where steel has softened, which is why it appears in exhaust sections, chemical plant and seawater systems at once.
625 is part of
Factors & digit properties
- Divisors (5)
- 1, 5, 25, 125, 625
- Prime factorisation
- 5^4
- Digit sum
- 13
- Digital root
- 4
Representations
- Decimal
- 625
- Binary
- 1001110001
- Octal
- 1161
- Hexadecimal
- 271
- Roman numeral
- DCXXV
- Scientific notation
- 6.250 × 10^2
Other mathematical patterns
- Deficient number
- Powerful number
- Automorphic number
Related numbers & connections
Both are nickel superalloys; one is used where corrosion dominates and the other where high-temperature strength does.
View 718 →Other connections
- is associated with718
why?
Strength 0.50, confidence "high".
Technology & computing
Alloy 625 is a nickel-chromium-molybdenum-niobium superalloy resistant to high-temperature oxidation and to a wide range of corrosive media.
DocumentedTechnology & computingGeography: International — AISI, SAE and Aluminium Association designations
Common questions
Is 625 a prime number?
No, 625 is not prime.
What are the factors of 625?
The factors of 625 are 1, 5, 25, 125, 625.
What is 625 in Roman numerals?
625 in Roman numerals is DCXXV.
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