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17,420

17,420 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 Happy Number

Properties

Parity
Even
Digit count
5
Digit sum
14
Digital root
5
Palindrome
No
Divisor count
24
σ(n) — sum of divisors
39,984

Primality

Prime factorization: 2 2 × 5 × 13 × 67

Divisors & multiples

All divisors (24)
1 · 2 · 4 · 5 · 10 · 13 · 20 · 26 · 52 · 65 · 67 · 130 · 134 · 260 · 268 · 335 · 670 · 871 · 1340 · 1742 · 3484 · 4355 · 8710 · 17420
Aliquot sum (sum of proper divisors): 22,564
Factor pairs (a × b = 17,420)
1 × 17420
2 × 8710
4 × 4355
5 × 3484
10 × 1742
13 × 1340
20 × 871
26 × 670
52 × 335
65 × 268
67 × 260
130 × 134
First multiples
17,420 · 34,840 · 52,260 · 69,680 · 87,100 · 104,520 · 121,940 · 139,360 · 156,780 · 174,200

Representations

In words
seventeen thousand four hundred twenty
Ordinal
17420th
Binary
100010000001100
Octal
42014
Hexadecimal
440C

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 17420, here are decompositions:

  • 3 + 17417 = 17420
  • 19 + 17401 = 17420
  • 31 + 17389 = 17420
  • 37 + 17383 = 17420
  • 43 + 17377 = 17420
  • 61 + 17359 = 17420
  • 79 + 17341 = 17420
  • 103 + 17317 = 17420

Showing the first eight; more decompositions exist.

Unicode codepoint
U+440C
Other letter (Lo)

UTF-8 encoding: E4 90 8C (3 bytes).

Hex color
#00440C
RGB(0, 68, 12)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.68.12.

Possible US bank routing number

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

Routing number
000017420
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.