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100,664

100,664 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.).
Deficient Number Recamán's Sequence

Properties

Parity
Even
Digit count
6
Digit sum
17
Digital root
8
Palindrome
No
Reversed
466,001
Recamán's sequence
a(255,388) = 100,664
Divisor count
8
σ(n) — sum of divisors
188,760

Primality

Prime factorization: 2 3 × 12583

Divisors & multiples

All divisors (8)
1 · 2 · 4 · 8 · 12583 · 25166 · 50332 · 100664
Aliquot sum (sum of proper divisors): 88,096
Factor pairs (a × b = 100,664)
1 × 100664
2 × 50332
4 × 25166
8 × 12583
First multiples
100,664 · 201,328 · 301,992 · 402,656 · 503,320 · 603,984 · 704,648 · 805,312 · 905,976 · 1,006,640

Representations

In words
one hundred thousand six hundred sixty-four
Ordinal
100664th
Binary
11000100100111000
Octal
304470
Hexadecimal
0x18938
Base64
AYk4

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 100664, here are decompositions:

  • 43 + 100621 = 100664
  • 73 + 100591 = 100664
  • 127 + 100537 = 100664
  • 163 + 100501 = 100664
  • 181 + 100483 = 100664
  • 271 + 100393 = 100664
  • 307 + 100357 = 100664
  • 331 + 100333 = 100664

Showing the first eight; more decompositions exist.

Unicode codepoint
𘤸
Tangut Component-313
U+18938
Other letter (Lo)

UTF-8 encoding: F0 98 A4 B8 (4 bytes).

Hex color
#018938
RGB(1, 137, 56)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.137.56.

Address
0.1.137.56
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.137.56

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 100,664 and was likely granted around 1870.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.