Number
1,243
1,243 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 10
- Digital root
- 1
- Palindrome
- No
- Divisor count
- 4
- σ(n) — sum of divisors
- 1,368
Primality
Prime factorization: 11 × 113
Divisors & multiples
Aliquot sum (sum of proper divisors):
125
First multiples
Representations
- In words
- one thousand two hundred forty-three
- Ordinal
- 1243rd
- Roman numeral
- MCCXLIII
- Binary
- 10011011011
- Octal
- 2333
- Hexadecimal
- 4DB
Also seen as
Unicode codepoint
ӛ
U+04DB
Lowercase letter (Ll)
UTF-8 encoding: D3 9B (2 bytes).
Hex color
#0004DB
RGB(0, 4, 219)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.219.