number.wiki
Number

1,143

1,143 is a composite number, odd, a calendar year.

Deficient Number Harshad / Niven Year

Properties

Parity
Odd
Digit count
4
Digit sum
9
Digital root
9
Palindrome
No
Divisor count
6
σ(n) — sum of divisors
1,664

Primality

Prime factorization: 3 2 × 127

Divisors & multiples

All divisors (6)
1 · 3 · 9 · 127 · 381 · 1143
Aliquot sum (sum of proper divisors): 521
Factor pairs (a × b = 1,143)
1 × 1143
3 × 381
9 × 127
First multiples
1,143 · 2,286 · 3,429 · 4,572 · 5,715 · 6,858 · 8,001 · 9,144 · 10,287 · 11,430

Representations

In words
one thousand one hundred forty-three
Ordinal
1143rd
Roman numeral
MCXLIII
Binary
10001110111
Octal
2167
Hexadecimal
477

Also seen as

Unicode codepoint
ѷ
U+0477
Lowercase letter (Ll)

UTF-8 encoding: D1 B7 (2 bytes).

Hex color
#000477
RGB(0, 4, 119)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.119.