Number
989
989 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 3
- Digit sum
- 26
- Digital root
- 8
- Palindrome
- Yes
- Divisor count
- 4
- σ(n) — sum of divisors
- 1,056
Primality
Prime factorization: 23 × 43
Divisors & multiples
Aliquot sum (sum of proper divisors):
67
Representations
- In words
- nine hundred eighty-nine
- Ordinal
- 989th
- Roman numeral
- CMLXXXIX
- Binary
- 1111011101
- Octal
- 1735
- Hexadecimal
- 3DD
Also seen as
Unicode codepoint
ϝ
U+03DD
Lowercase letter (Ll)
UTF-8 encoding: CF 9D (2 bytes).
Network port
TCP/UDP port 989 is the well-known port for FTPS-DATA — FTP over TLS — data channel.
Hex color
#0003DD
RGB(0, 3, 221)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.221.