number.wiki
Number

563

563 is a prime, odd, a calendar year.

Deficient Number Happy Number Prime Sexy Prime Squarefree Year

Properties

Parity
Odd
Digit count
3
Digit sum
14
Digital root
5
Palindrome
No
Divisor count
2
σ(n) — sum of divisors
564

Primality

563 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 563
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 563)
1 × 563
First multiples
563 · 1,126 · 1,689 · 2,252 · 2,815 · 3,378 · 3,941 · 4,504 · 5,067 · 5,630

Representations

In words
five hundred sixty-three
Ordinal
563rd
Roman numeral
DLXIII
Binary
1000110011
Octal
1063
Hexadecimal
233

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 557 (gap of 6)
  • Next prime: 569 (gap of 6)

Pair status: sexy with 557, sexy with 569.

Unicode codepoint
ȳ
U+0233
Lowercase letter (Ll)

UTF-8 encoding: C8 B3 (2 bytes).

Hex color
#000233
RGB(0, 2, 51)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.2.51.

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000000563
Federal Reserve
United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.