Number
13,921
13,921 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 16
- Digital root
- 7
- Palindrome
- No
- Divisor count
- 2
- σ(n) — sum of divisors
- 13,922
Primality
13,921 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
Representations
- In words
- thirteen thousand nine hundred twenty-one
- Ordinal
- 13921st
- Binary
- 11011001100001
- Octal
- 33141
- Hexadecimal
- 3661
Also seen as
Unicode codepoint
㙡
U+3661
Other letter (Lo)
UTF-8 encoding: E3 99 A1 (3 bytes).
Hex color
#003661
RGB(0, 54, 97)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.54.97.