number.wiki
Number

529

529 is a composite number, odd, a calendar year.

Deficient Number Perfect Square Powerful Number Year

Properties

Parity
Odd
Digit count
3
Digit sum
16
Digital root
7
Palindrome
No
Divisor count
3
σ(n) — sum of divisors
553

Primality

Prime factorization: 23 2

Divisors & multiples

All divisors (3)
1 · 23 · 529
Aliquot sum (sum of proper divisors): 24
Factor pairs (a × b = 529)
1 × 529
23 × 23
First multiples
529 · 1,058 · 1,587 · 2,116 · 2,645 · 3,174 · 3,703 · 4,232 · 4,761 · 5,290

Representations

In words
five hundred twenty-nine
Ordinal
529th
Roman numeral
DXXIX
Binary
1000010001
Octal
1021
Hexadecimal
211

Also seen as

Unicode codepoint
ȑ
U+0211
Lowercase letter (Ll)

UTF-8 encoding: C8 91 (2 bytes).

Hex color
#000211
RGB(0, 2, 17)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.2.17.