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42,822

42,822 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).
Abundant Number Harshad / Niven

Properties

Parity
Even
Digit count
5
Digit sum
18
Digital root
9
Palindrome
No
Divisor count
32
σ(n) — sum of divisors
104,160

Primality

Prime factorization: 2 × 3 3 × 13 × 61

Divisors & multiples

All divisors (32)
1 · 2 · 3 · 6 · 9 · 13 · 18 · 26 · 27 · 39 · 54 · 61 · 78 · 117 · 122 · 183 · 234 · 351 · 366 · 549 · 702 · 793 · 1098 · 1586 · 1647 · 2379 · 3294 · 4758 · 7137 · 14274 · 21411 · 42822
Aliquot sum (sum of proper divisors): 61,338
Factor pairs (a × b = 42,822)
1 × 42822
2 × 21411
3 × 14274
6 × 7137
9 × 4758
13 × 3294
18 × 2379
26 × 1647
27 × 1586
39 × 1098
54 × 793
61 × 702
78 × 549
117 × 366
122 × 351
183 × 234
First multiples
42,822 · 85,644 · 128,466 · 171,288 · 214,110 · 256,932 · 299,754 · 342,576 · 385,398 · 428,220

Representations

In words
forty-two thousand eight hundred twenty-two
Ordinal
42822nd
Binary
1010011101000110
Octal
123506
Hexadecimal
A746

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 42822, here are decompositions:

  • 29 + 42793 = 42822
  • 71 + 42751 = 42822
  • 79 + 42743 = 42822
  • 103 + 42719 = 42822
  • 113 + 42709 = 42822
  • 139 + 42683 = 42822
  • 173 + 42649 = 42822
  • 179 + 42643 = 42822

Showing the first eight; more decompositions exist.

Unicode codepoint
U+A746
Uppercase letter (Lu)

UTF-8 encoding: EA 9D 86 (3 bytes).

Hex color
#00A746
RGB(0, 167, 70)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.167.70.

Possible US bank routing number

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

Routing number
000042822
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.