1018
1018 is a low-carbon steel.
- Even
- Composite
Where 1018 fits
Why 1018 is special
It is the mild steel of workshops and weld shops, chosen because it welds without preheat and forms without cracking.
Factors & digit properties
- Divisors (4)
- 1, 2, 509, 1018
- Prime factorisation
- 2 × 509
- Digit sum
- 10
- Digital root
- 1
Representations
- Decimal
- 1018
- Binary
- 1111111010
- Octal
- 1772
- Hexadecimal
- 3fa
- Roman numeral
- MXVIII
- Scientific notation
- 1.018 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
ConnectionMild steel bar and structural steel plate are the two forms most fabrication starts from.
1018 is associated with 36Mild steel bar and structural steel plate are the two forms most fabrication starts from.
Mild steel bar and structural steel plate are the two forms most fabrication starts from.
View 36 →How is 1018 connected to another number? →
Technology & computing
AISI 1018 is a low-carbon steel with good weldability and formability, commonly supplied as cold-drawn bar for general fabrication.
DocumentedTechnology & computingGeography: International — AISI, SAE and Aluminium Association designations
Common questions
Is 1018 a prime number?
No, 1018 is not prime.
What are the factors of 1018?
The factors of 1018 are 1, 2, 509, 1018.
What is 1018 in Roman numerals?
1018 in Roman numerals is MXVIII.
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