Number
49
49 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 2
- Digit sum
- 13
- Digital root
- 4
- Palindrome
- No
- Divisor count
- 3
- σ(n) — sum of divisors
- 57
Primality
Prime factorization: 7 2
Divisors & multiples
Aliquot sum (sum of proper divisors):
8
Representations
- In words
- forty-nine
- Ordinal
- 49th
- Roman numeral
- XLIX
- Binary
- 110001
- Octal
- 61
- Hexadecimal
- 31
Also seen as
ASCII character
As an ASCII codepoint, 49 is 1. Printable ASCII character 1.
Hex color
#000031
RGB(0, 0, 49)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.49.