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3,136

3,136 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 Perfect Square Powerful Number

Properties

Parity
Even
Digit count
4
Digit sum
13
Digital root
4
Palindrome
No
Divisor count
21
σ(n) — sum of divisors
7,239

Primality

Prime factorization: 2 6 × 7 2

Divisors & multiples

All divisors (21)
1 · 2 · 4 · 7 · 8 · 14 · 16 · 28 · 32 · 49 · 56 · 64 · 98 · 112 · 196 · 224 · 392 · 448 · 784 · 1568 · 3136
Aliquot sum (sum of proper divisors): 4,103
Factor pairs (a × b = 3,136)
1 × 3136
2 × 1568
4 × 784
7 × 448
8 × 392
14 × 224
16 × 196
28 × 112
32 × 98
49 × 64
56 × 56
First multiples
3,136 · 6,272 · 9,408 · 12,544 · 15,680 · 18,816 · 21,952 · 25,088 · 28,224 · 31,360

Representations

In words
three thousand one hundred thirty-six
Ordinal
3136th
Roman numeral
MMMCXXXVI
Binary
110001000000
Octal
6100
Hexadecimal
C40

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 3136, here are decompositions:

  • 17 + 3119 = 3136
  • 47 + 3089 = 3136
  • 53 + 3083 = 3136
  • 113 + 3023 = 3136
  • 137 + 2999 = 3136
  • 167 + 2969 = 3136
  • 173 + 2963 = 3136
  • 179 + 2957 = 3136

Showing the first eight; more decompositions exist.

Unicode codepoint
U+0C40
Non-spacing mark (Mn)

UTF-8 encoding: E0 B1 80 (3 bytes).

Hex color
#000C40
RGB(0, 12, 64)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.12.64.