number.wiki
Number

1,023

1,023 is a composite number, odd, a calendar year.

Deficient Number Sphenic Number Squarefree Year

Properties

Parity
Odd
Digit count
4
Digit sum
6
Digital root
6
Palindrome
No
Divisor count
8
σ(n) — sum of divisors
1,536

Primality

Prime factorization: 3 × 11 × 31

Divisors & multiples

All divisors (8)
1 · 3 · 11 · 31 · 33 · 93 · 341 · 1023
Aliquot sum (sum of proper divisors): 513
Factor pairs (a × b = 1,023)
1 × 1023
3 × 341
11 × 93
31 × 33
First multiples
1,023 · 2,046 · 3,069 · 4,092 · 5,115 · 6,138 · 7,161 · 8,184 · 9,207 · 10,230

Representations

In words
one thousand twenty-three
Ordinal
1023rd
Roman numeral
MXXIII
Binary
1111111111
Octal
1777
Hexadecimal
3FF

Also seen as

Unicode codepoint
Ͽ
U+03FF
Uppercase letter (Lu)

UTF-8 encoding: CF BF (2 bytes).

Hex color
#0003FF
RGB(0, 3, 255)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.255.