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Number

1,326

1,326 is a composite number, even, a calendar year.

Abundant Number Hexagonal Squarefree Triangular Year

Properties

Parity
Even
Digit count
4
Digit sum
12
Digital root
3
Palindrome
No
Divisor count
16
σ(n) — sum of divisors
3,024

Primality

Prime factorization: 2 × 3 × 13 × 17

Divisors & multiples

All divisors (16)
1 · 2 · 3 · 6 · 13 · 17 · 26 · 34 · 39 · 51 · 78 · 102 · 221 · 442 · 663 · 1326
Aliquot sum (sum of proper divisors): 1,698
Factor pairs (a × b = 1,326)
1 × 1326
2 × 663
3 × 442
6 × 221
13 × 102
17 × 78
26 × 51
34 × 39
First multiples
1,326 · 2,652 · 3,978 · 5,304 · 6,630 · 7,956 · 9,282 · 10,608 · 11,934 · 13,260

Representations

In words
one thousand three hundred twenty-six
Ordinal
1326th
Roman numeral
MCCCXXVI
Binary
10100101110
Octal
2456
Hexadecimal
52E

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1326, here are decompositions:

  • 5 + 1321 = 1326
  • 7 + 1319 = 1326
  • 19 + 1307 = 1326
  • 23 + 1303 = 1326
  • 29 + 1297 = 1326
  • 37 + 1289 = 1326
  • 43 + 1283 = 1326
  • 47 + 1279 = 1326

Showing the first eight; more decompositions exist.

Unicode codepoint
Ԯ
U+052E
Uppercase letter (Lu)

UTF-8 encoding: D4 AE (2 bytes).

Lookup U+052E on Compart ↗ Lookup on FileFormat.Info ↗
Hex color
#00052E
RGB(0, 5, 46)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.46.

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000001326
Federal Reserve
United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.

Look up 000001326 on FedACH ↗ Routing Number Lookup (Wise) ↗