Number
1,389
1,389 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 21
- Digital root
- 3
- Palindrome
- No
- Divisor count
- 4
- σ(n) — sum of divisors
- 1,856
Primality
Prime factorization: 3 × 463
Divisors & multiples
Aliquot sum (sum of proper divisors):
467
First multiples
Representations
- In words
- one thousand three hundred eighty-nine
- Ordinal
- 1389th
- Roman numeral
- MCCCLXXXIX
- Binary
- 10101101101
- Octal
- 2555
- Hexadecimal
- 56D
Also seen as
Unicode codepoint
խ
U+056D
Lowercase letter (Ll)
UTF-8 encoding: D5 AD (2 bytes).
Hex color
#00056D
RGB(0, 5, 109)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.109.