Live analysis

8,442

8,442 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 Harshad / Niven

Properties

Parity: Even
Digit count: 4
Digit sum: 18
Digital root: 9
Palindrome: No
Divisor count: 24
σ(n) — sum of divisors: 21,216

Primality

Prime factorization: 2 × 3 ² × 7 × 67

Divisors & multiples

All divisors (24)

1 · 2 · 3 · 6 · 7 · 9 · 14 · 18 · 21 · 42 · 63 · 67 · 126 · 134 · 201 · 402 · 469 · 603 · 938 · 1206 · 1407 · 2814 · 4221 · 8442

Aliquot sum (sum of proper divisors): 12,774

Factor pairs (a × b = 8,442)

1 × 8442

2 × 4221

3 × 2814

6 × 1407

7 × 1206

9 × 938

14 × 603

18 × 469

21 × 402

42 × 201

63 × 134

67 × 126

First multiples

8,442 · 16,884 · 25,326 · 33,768 · 42,210 · 50,652 · 59,094 · 67,536 · 75,978 · 84,420

Representations

In words: eight thousand four hundred forty-two
Ordinal: 8442nd
Binary: 10000011111010
Octal: 20372
Hexadecimal: 20FA

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 8442, here are decompositions:

11 + 8431 = 8442
13 + 8429 = 8442
19 + 8423 = 8442
23 + 8419 = 8442
53 + 8389 = 8442
73 + 8369 = 8442
79 + 8363 = 8442
89 + 8353 = 8442

Showing the first eight; more decompositions exist.

Hex color

#0020FA

RGB(0, 32, 250)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.32.250.

Possible US bank routing number

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

Routing number

000008442

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 000008442 on FedACH ↗ Routing Number Lookup (Wise) ↗