Number
1,331
1,331 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 8
- Digital root
- 8
- Palindrome
- Yes
- Divisor count
- 4
- σ(n) — sum of divisors
- 1,464
Primality
Prime factorization: 11 3
Divisors & multiples
Aliquot sum (sum of proper divisors):
133
First multiples
Representations
- In words
- one thousand three hundred thirty-one
- Ordinal
- 1331st
- Roman numeral
- MCCCXXXI
- Binary
- 10100110011
- Octal
- 2463
- Hexadecimal
- 533
Also seen as
Unicode codepoint
Գ
U+0533
Uppercase letter (Lu)
UTF-8 encoding: D4 B3 (2 bytes).
Hex color
#000533
RGB(0, 5, 51)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.51.