Number
1,131
1,131 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 6
- Digital root
- 6
- Palindrome
- No
- Divisor count
- 8
- σ(n) — sum of divisors
- 1,680
Primality
Prime factorization: 3 × 13 × 29
Divisors & multiples
Aliquot sum (sum of proper divisors):
549
First multiples
Representations
- In words
- one thousand one hundred thirty-one
- Ordinal
- 1131st
- Roman numeral
- MCXXXI
- Binary
- 10001101011
- Octal
- 2153
- Hexadecimal
- 46B
Also seen as
Unicode codepoint
ѫ
U+046B
Lowercase letter (Ll)
UTF-8 encoding: D1 AB (2 bytes).
Hex color
#00046B
RGB(0, 4, 107)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.107.