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13,612

13,612 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.).
Arithmetic Number Deficient Number Odious Number Pernicious Number Recamán's Sequence

Properties

Parity
Even
Digit count
5
Digit sum
13
Digit product
36
Digital root
4
Palindrome
No
Bit width
14 bits
Reversed
21,631
Recamán's sequence
a(3,996) = 13,612
Square (n²)
185,286,544
Cube (n³)
2,522,120,436,928
Divisor count
12
σ(n) — sum of divisors
24,696
φ(n) — Euler's totient
6,560
Sum of prime factors
128

Primality

Prime factorization: 2 2 × 41 × 83

Nearest primes: 13,597 (−15) · 13,613 (+1)

Divisors & multiples

All divisors (12)
1 · 2 · 4 · 41 · 82 · 83 · 164 · 166 · 332 · 3403 · 6806 (half) · 13612
Aliquot sum (sum of proper divisors): 11,084
Factor pairs (a × b = 13,612)
1 × 13612
2 × 6806
4 × 3403
41 × 332
82 × 166
83 × 164
First multiples
13,612 · 27,224 (double) · 40,836 · 54,448 · 68,060 · 81,672 · 95,284 · 108,896 · 122,508 · 136,120

Sums & aliquot sequence

As consecutive integers: 1,698 + 1,699 + … + 1,705 312 + 313 + … + 352 123 + 124 + … + 205
Aliquot sequence: 13,612 11,084 9,580 10,580 12,646 6,326 3,166 1,586 1,018 512 511 81 40 50 43 1 0 — terminates at zero

Representations

In words
thirteen thousand six hundred twelve
Ordinal
13612th
Binary
11010100101100
Octal
32454
Hexadecimal
0x352C
Base64
NSw=
One's complement
51,923 (16-bit)
In other bases
ternary (3) 200200011
quaternary (4) 3110230
quinary (5) 413422
senary (6) 143004
septenary (7) 54454
nonary (9) 20604
undecimal (11) a255
duodecimal (12) 7a64
tridecimal (13) 6271
tetradecimal (14) 4d64
pentadecimal (15) 4077

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺
Greek (Milesian)
͵ιγχιβʹ
Mayan (base 20)
𝋡·𝋮·𝋠·𝋬
Chinese
一萬三千六百一十二
Chinese (financial)
壹萬參仟陸佰壹拾貳
In other modern scripts
Eastern Arabic ١٣٦١٢ Devanagari १३६१२ Bengali ১৩৬১২ Tamil ௧௩௬௧௨ Thai ๑๓๖๑๒ Tibetan ༡༣༦༡༢ Khmer ១៣៦១២ Lao ໑໓໖໑໒ Burmese ၁၃၆၁၂

Digit at this position in famous constants

π — Pi (π)
Digit 13,612 = 0
e — Euler's number (e)
Digit 13,612 = 6
φ — Golden ratio (φ)
Digit 13,612 = 7
√2 — Pythagoras's (√2)
Digit 13,612 = 3
ln 2 — Natural log of 2
Digit 13,612 = 7
γ — Euler-Mascheroni (γ)
Digit 13,612 = 5

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 13612, here are decompositions:

  • 59 + 13553 = 13612
  • 89 + 13523 = 13612
  • 113 + 13499 = 13612
  • 149 + 13463 = 13612
  • 191 + 13421 = 13612
  • 281 + 13331 = 13612
  • 353 + 13259 = 13612
  • 383 + 13229 = 13612

Showing the first eight; more decompositions exist.

Unicode codepoint
CJK Unified Ideograph-352C
U+352C
Other letter (Lo)

UTF-8 encoding: E3 94 AC (3 bytes).

Hex color
#00352C
RGB(0, 53, 44)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.53.44.

Address
0.0.53.44
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.53.44

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

Position in π

The digit sequence 13612 first appears in π at position 29,611 of the decimal expansion (the 29,611ordinal-suffix:th digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.