Number
553
553 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 3
- Digit sum
- 13
- Digital root
- 4
- Palindrome
- No
- Divisor count
- 4
- σ(n) — sum of divisors
- 640
Primality
Prime factorization: 7 × 79
Divisors & multiples
Aliquot sum (sum of proper divisors):
87
Representations
- In words
- five hundred fifty-three
- Ordinal
- 553rd
- Roman numeral
- DLIII
- Binary
- 1000101001
- Octal
- 1051
- Hexadecimal
- 229
Also seen as
Unicode codepoint
ȩ
U+0229
Lowercase letter (Ll)
UTF-8 encoding: C8 A9 (2 bytes).
Hex color
#000229
RGB(0, 2, 41)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.2.41.