number.wiki
Number

1,071

1,071 is a composite number, odd, a calendar year.

Deficient Number Harshad / Niven Heptagonal Year

Properties

Parity
Odd
Digit count
4
Digit sum
9
Digital root
9
Palindrome
No
Divisor count
12
σ(n) — sum of divisors
1,872

Primality

Prime factorization: 3 2 × 7 × 17

Divisors & multiples

All divisors (12)
1 · 3 · 7 · 9 · 17 · 21 · 51 · 63 · 119 · 153 · 357 · 1071
Aliquot sum (sum of proper divisors): 801
Factor pairs (a × b = 1,071)
1 × 1071
3 × 357
7 × 153
9 × 119
17 × 63
21 × 51
First multiples
1,071 · 2,142 · 3,213 · 4,284 · 5,355 · 6,426 · 7,497 · 8,568 · 9,639 · 10,710

Representations

In words
one thousand seventy-one
Ordinal
1071st
Roman numeral
MLXXI
Binary
10000101111
Octal
2057
Hexadecimal
42F

Also seen as

Unicode codepoint
Я
U+042F
Uppercase letter (Lu)

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

Hex color
#00042F
RGB(0, 4, 47)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.47.