Number
1,421
1,421 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 8
- Digital root
- 8
- Palindrome
- No
- Divisor count
- 6
- σ(n) — sum of divisors
- 1,710
Primality
Prime factorization: 7 2 × 29
Divisors & multiples
Aliquot sum (sum of proper divisors):
289
First multiples
Representations
- In words
- one thousand four hundred twenty-one
- Ordinal
- 1421st
- Roman numeral
- MCDXXI
- Binary
- 10110001101
- Octal
- 2615
- Hexadecimal
- 58D
Also seen as
Unicode codepoint
֍
U+058D
Other symbol (So)
UTF-8 encoding: D6 8D (2 bytes).
Hex color
#00058D
RGB(0, 5, 141)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.141.