370
370 is a narcissistic number: 3³ + 7³ + 0³ = 27 + 343 + 0 = 370.
- Even
- Composite
Where 370 fits
Why 370 is special
370 is narcissistic — the sum of the cubes of its own digits returns the number itself — and it is the first of a genuinely unusual pair: 370 and 371 are consecutive integers that are both narcissistic, the only such neighbouring pair among three-digit numbers.
Factors & digit properties
- Divisors (8)
- 1, 2, 5, 10, 37, 74, 185, 370
- Prime factorisation
- 2 × 5 × 37
- Digit sum
- 10
- Digital root
- 1
Representations
- Decimal
- 370
- Binary
- 101110010
- Octal
- 562
- Hexadecimal
- 172
- Roman numeral
- CCCLXX
- Scientific notation
- 3.700 × 10^2
Other mathematical patterns
- Deficient number
- Narcissistic (Armstrong) number
- Harshad (Niven) number
Related numbers & connections
370 and 371 are consecutive integers that are both narcissistic — the only such neighbouring pair among three-digit numbers.
View 371 →Nearby in a sequence
- is adjacent to371
why?
Strength 0.50, confidence "high".
Mathematics
370 is a narcissistic (Armstrong) number: 3³ + 7³ + 0³ = 27 + 343 + 0 = 370. Together with 371 it forms the only pair of consecutive three-digit narcissistic numbers.
DocumentedMathematics
Common questions
Is 370 a prime number?
No, 370 is not prime.
What are the factors of 370?
The factors of 370 are 1, 2, 5, 10, 37, 74, 185, 370.
What is 370 in Roman numerals?
370 in Roman numerals is CCCLXX.
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: 30 July 2026