Number
63
63 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 2
- Digit sum
- 9
- Digital root
- 9
- Palindrome
- No
- Divisor count
- 6
- σ(n) — sum of divisors
- 104
Primality
Prime factorization: 3 2 × 7
Divisors & multiples
Aliquot sum (sum of proper divisors):
41
Representations
- In words
- sixty-three
- Ordinal
- 63rd
- Roman numeral
- LXIII
- Binary
- 111111
- Octal
- 77
- Hexadecimal
- 3F
Also seen as
ASCII character
As an ASCII codepoint, 63 is ?. Printable ASCII character ?.
Hex color
#00003F
RGB(0, 0, 63)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.63.