Number
215
215 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 3
- Digit sum
- 8
- Digital root
- 8
- Palindrome
- No
- Divisor count
- 4
- σ(n) — sum of divisors
- 264
Primality
Prime factorization: 5 × 43
Divisors & multiples
Aliquot sum (sum of proper divisors):
49
Representations
- In words
- two hundred fifteen
- Ordinal
- 215th
- Roman numeral
- CCXV
- Binary
- 11010111
- Octal
- 327
- Hexadecimal
- D7
Also seen as
Unicode codepoint
×
U+00D7
Math symbol (Sm)
UTF-8 encoding: C3 97 (2 bytes).
Hex color
#0000D7
RGB(0, 0, 215)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.215.