Number
1,409
1,409 is a prime, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 14
- Digital root
- 5
- Palindrome
- No
- Divisor count
- 2
- σ(n) — sum of divisors
- 1,410
Primality
1,409 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
Representations
- In words
- one thousand four hundred nine
- Ordinal
- 1409th
- Roman numeral
- MCDIX
- Binary
- 10110000001
- Octal
- 2601
- Hexadecimal
- 581
Also seen as
Unicode codepoint
ց
U+0581
Lowercase letter (Ll)
UTF-8 encoding: D6 81 (2 bytes).
Hex color
#000581
RGB(0, 5, 129)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.129.