212
212°F is the boiling point of water at standard atmospheric pressure — exactly 100°C on the Celsius scale.
- Even
- Composite
Where 212 fits
Why 212 is special
212 marks the opposite end of the Fahrenheit scale's original fixed points from 32: together they define the freezing (32°F) and boiling (212°F) points of water at standard atmospheric pressure, exactly 180 degrees apart on the Fahrenheit scale.
212 is part of
Factors & digit properties
- Divisors (6)
- 1, 2, 4, 53, 106, 212
- Prime factorisation
- 2^2 × 53
- Digit sum
- 5
- Digital root
- 5
Representations
- Decimal
- 212
- Binary
- 11010100
- Octal
- 324
- Hexadecimal
- d4
- Roman numeral
- CCXII
- Scientific notation
- 2.120 × 10^2
Other mathematical patterns
- Palindromic number
- Deficient number
Related numbers & connections
212°F and 32°F are the boiling and freezing points of water at standard atmospheric pressure — the two original fixed points that define the Fahrenheit temperature scale, exactly 180 degrees apart.
View 32 →Other connections
- contrasts with32
why?
Strength 0.50, confidence "high".
Science
212°F is the boiling point of water at standard atmospheric pressure, exactly equivalent to 100°C — one of the two fixed reference points, along with 32°F, that define the Fahrenheit temperature scale.
DocumentedScience
Mathematics
The interval between water's Fahrenheit freezing point (32°F) and boiling point (212°F) is exactly 180 degrees — the same number of degrees in a straight angle.
DocumentedMathematics
Common questions
Is 212 a prime number?
No, 212 is not prime.
What are the factors of 212?
The factors of 212 are 1, 2, 4, 53, 106, 212.
What is 212 in Roman numerals?
212 in Roman numerals is CCXII.
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: 30 July 2026