57
57 is the atomic number of lanthanum, and the number behind the 'Heinz 57' food-brand slogan.
- Odd
- Composite
Where 57 fits
Why 57 is special
57's brand recognition (from an 1896 marketing slogan) far outlasted its literal accuracy — Heinz sold well over 57 products even at the time.
Same number, different meanings
How 57 is understood across different contexts — never implying one meaning because of another.
- Mathematics
57's brand recognition (from an 1896 marketing slogan) far outlasted its literal accuracy — Heinz sold well over 57 products even at the time.
- Science
57 is the atomic number of lanthanum, the element that gives its name to the wider lanthanide series.
- Culture
'Heinz 57' — from the H. J. Heinz food company's long-running '57 Varieties' marketing slogan, coined in 1896 — made 57 a recognisable brand number in American and British popular culture, even though Heinz sold well over 57 products by the time the slogan was created.
Factors & digit properties
- Divisors (4)
- 1, 3, 19, 57
- Prime factorisation
- 3 × 19
- Digit sum
- 12
- Digital root
- 3
Representations
- Decimal
- 57
- Binary
- 111001
- Octal
- 71
- Hexadecimal
- 39
- Roman numeral
- LVII
- Scientific notation
- 5.700 × 10^1
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
19 is a factor of 57 (19 × 3 = 57).
View 19 →Mathematically related
- has factor19
why?
Strength 0.50, confidence "high".
Science
57 is the atomic number of lanthanum, the element that gives its name to the wider lanthanide series.
DocumentedScience
Culture
'Heinz 57' — from the H. J. Heinz food company's long-running '57 Varieties' marketing slogan, coined in 1896 — made 57 a recognisable brand number in American and British popular culture, even though Heinz sold well over 57 products by the time the slogan was created.
Widely documentedCultureGeography: United States, United Kingdom
Common questions
Is 57 a prime number?
No, 57 is not prime.
What are the factors of 57?
The factors of 57 are 1, 3, 19, 57.
What is 57 in Roman numerals?
57 in Roman numerals is LVII.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 2 reviewer-confirmed records, sourced and reviewed before publication.
Last reviewed: 15 July 2026