Number
315
315 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 3
- Digit sum
- 9
- Digital root
- 9
- Palindrome
- No
- Divisor count
- 12
- σ(n) — sum of divisors
- 624
Primality
Prime factorization: 3 2 × 5 × 7
Divisors & multiples
Aliquot sum (sum of proper divisors):
309
Representations
- In words
- three hundred fifteen
- Ordinal
- 315th
- Roman numeral
- CCCXV
- Binary
- 100111011
- Octal
- 473
- Hexadecimal
- 13B
Also seen as
Unicode codepoint
Ļ
U+013B
Uppercase letter (Lu)
UTF-8 encoding: C4 BB (2 bytes).
Hex color
#00013B
RGB(0, 1, 59)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.59.