Number
445
445 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 3
- Digit sum
- 13
- Digital root
- 4
- Palindrome
- No
- Divisor count
- 4
- σ(n) — sum of divisors
- 540
Primality
Prime factorization: 5 × 89
Divisors & multiples
Aliquot sum (sum of proper divisors):
95
Representations
- In words
- four hundred forty-five
- Ordinal
- 445th
- Roman numeral
- CDXLV
- Binary
- 110111101
- Octal
- 675
- Hexadecimal
- 1BD
Also seen as
Unicode codepoint
ƽ
U+01BD
Lowercase letter (Ll)
UTF-8 encoding: C6 BD (2 bytes).
Network port
TCP/UDP port 445 is the well-known port for SMB — Server Message Block — Windows file sharing.
Hex color
#0001BD
RGB(0, 1, 189)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.189.