Number

540

540 is a composite number, even, a calendar year.

Properties

Prime factorization: 2 ² × 3 ³ × 5

All divisors (24)

1 · 2 · 3 · 4 · 5 · 6 · 9 · 10 · 12 · 15 · 18 · 20 · 27 · 30 · 36 · 45 · 54 · 60 · 90 · 108 · 135 · 180 · 270 · 540

Aliquot sum (sum of proper divisors): 1,140

Factor pairs (a × b = 540)

1 × 540

2 × 270

3 × 180

4 × 135

5 × 108

6 × 90

9 × 60

10 × 54

12 × 45

15 × 36

18 × 30

20 × 27

First multiples

540 · 1,080 · 1,620 · 2,160 · 2,700 · 3,240 · 3,780 · 4,320 · 4,860 · 5,400

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 540, here are decompositions:

Showing the first eight; more decompositions exist.

Unicode codepoint

U+021C

Uppercase letter (Lu)

UTF-8 encoding: C8 9C (2 bytes).

Lookup U+021C on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00021C

RGB(0, 2, 28)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.2.28.