number.wiki
Number

1,121

1,121 is a composite number, odd, a calendar year.

Deficient Number Happy Number Squarefree Year

Properties

Parity
Odd
Digit count
4
Digit sum
5
Digital root
5
Palindrome
No
Divisor count
4
σ(n) — sum of divisors
1,200

Primality

Prime factorization: 19 × 59

Divisors & multiples

All divisors (4)
1 · 19 · 59 · 1121
Aliquot sum (sum of proper divisors): 79
Factor pairs (a × b = 1,121)
1 × 1121
19 × 59
First multiples
1,121 · 2,242 · 3,363 · 4,484 · 5,605 · 6,726 · 7,847 · 8,968 · 10,089 · 11,210

Representations

In words
one thousand one hundred twenty-one
Ordinal
1121st
Roman numeral
MCXXI
Binary
10001100001
Octal
2141
Hexadecimal
461

Also seen as

Unicode codepoint
ѡ
U+0461
Lowercase letter (Ll)

UTF-8 encoding: D1 A1 (2 bytes).

Hex color
#000461
RGB(0, 4, 97)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.97.