number.wiki
Number

1,029

1,029 is a composite number, odd, a calendar year.

Deficient Number Happy Number Year

Properties

Parity
Odd
Digit count
4
Digit sum
12
Digital root
3
Palindrome
No
Divisor count
8
σ(n) — sum of divisors
1,600

Primality

Prime factorization: 3 × 7 3

Divisors & multiples

All divisors (8)
1 · 3 · 7 · 21 · 49 · 147 · 343 · 1029
Aliquot sum (sum of proper divisors): 571
Factor pairs (a × b = 1,029)
1 × 1029
3 × 343
7 × 147
21 × 49
First multiples
1,029 · 2,058 · 3,087 · 4,116 · 5,145 · 6,174 · 7,203 · 8,232 · 9,261 · 10,290

Representations

In words
one thousand twenty-nine
Ordinal
1029th
Roman numeral
MXXIX
Binary
10000000101
Octal
2005
Hexadecimal
405

Also seen as

Unicode codepoint
Ѕ
U+0405
Uppercase letter (Lu)

UTF-8 encoding: D0 85 (2 bytes).

Hex color
#000405
RGB(0, 4, 5)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.5.