number.wiki
Number

1,020

1,020 is a composite number, even, a calendar year.

Abundant Number Harshad / Niven Year

Properties

Parity
Even
Digit count
4
Digit sum
3
Digital root
3
Palindrome
No
Divisor count
24
σ(n) — sum of divisors
3,024

Primality

Prime factorization: 2 2 × 3 × 5 × 17

Divisors & multiples

All divisors (24)
1 · 2 · 3 · 4 · 5 · 6 · 10 · 12 · 15 · 17 · 20 · 30 · 34 · 51 · 60 · 68 · 85 · 102 · 170 · 204 · 255 · 340 · 510 · 1020
Aliquot sum (sum of proper divisors): 2,004
Factor pairs (a × b = 1,020)
1 × 1020
2 × 510
3 × 340
4 × 255
5 × 204
6 × 170
10 × 102
12 × 85
15 × 68
17 × 60
20 × 51
30 × 34
First multiples
1,020 · 2,040 · 3,060 · 4,080 · 5,100 · 6,120 · 7,140 · 8,160 · 9,180 · 10,200

Representations

In words
one thousand twenty
Ordinal
1020th
Roman numeral
MXX
Binary
1111111100
Octal
1774
Hexadecimal
3FC

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1020, here are decompositions:

  • 7 + 1013 = 1020
  • 11 + 1009 = 1020
  • 23 + 997 = 1020
  • 29 + 991 = 1020
  • 37 + 983 = 1020
  • 43 + 977 = 1020
  • 53 + 967 = 1020
  • 67 + 953 = 1020

Showing the first eight; more decompositions exist.

Unicode codepoint
ϼ
U+03FC
Lowercase letter (Ll)

UTF-8 encoding: CF BC (2 bytes).

Lookup U+03FC on Compart ↗ Lookup on FileFormat.Info ↗
Hex color
#0003FC
RGB(0, 3, 252)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.3.252.