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13,226

13,226 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 Evil Number Recamán's Sequence Self Number Sphenic Number Squarefree

Properties

Parity
Even
Digit count
5
Digit sum
14
Digit product
72
Digital root
5
Palindrome
No
Bit width
14 bits
Reversed
62,231
Recamán's sequence
a(47,823) = 13,226
Square (n²)
174,927,076
Cube (n³)
2,313,585,507,176
Divisor count
8
σ(n) — sum of divisors
21,060
φ(n) — Euler's totient
6,208
Sum of prime factors
408

Primality

Prime factorization: 2 × 17 × 389

Nearest primes: 13,219 (−7) · 13,229 (+3)

Divisors & multiples

All divisors (8)
1 · 2 · 17 · 34 · 389 · 778 · 6613 (half) · 13226
Aliquot sum (sum of proper divisors): 7,834
Factor pairs (a × b = 13,226)
1 × 13226
2 × 6613
17 × 778
34 × 389
First multiples
13,226 · 26,452 (double) · 39,678 · 52,904 · 66,130 · 79,356 · 92,582 · 105,808 · 119,034 · 132,260

Sums & aliquot sequence

As a sum of two squares: 1² + 115² = 55² + 101²
As consecutive integers: 3,305 + 3,306 + 3,307 + 3,308 770 + 771 + … + 786 161 + 162 + … + 228
Aliquot sequence: 13,226 7,834 3,920 6,682 4,154 2,374 1,190 1,402 704 820 944 916 694 350 394 200 265 — unresolved within range

Representations

In words
thirteen thousand two hundred twenty-six
Ordinal
13226th
Binary
11001110101010
Octal
31652
Hexadecimal
0x33AA
Base64
M6o=
One's complement
52,309 (16-bit)
In other bases
ternary (3) 200010212
quaternary (4) 3032222
quinary (5) 410401
senary (6) 141122
septenary (7) 53363
nonary (9) 20125
undecimal (11) 9a34
duodecimal (12) 77a2
tridecimal (13) 6035
tetradecimal (14) 4b6a
pentadecimal (15) 3dbb

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιγσκϛʹ
Mayan (base 20)
𝋡·𝋭·𝋡·𝋦
Chinese
一萬三千二百二十六
Chinese (financial)
壹萬參仟貳佰貳拾陸
In other modern scripts
Eastern Arabic ١٣٢٢٦ Devanagari १३२२६ Bengali ১৩২২৬ Tamil ௧௩௨௨௬ Thai ๑๓๒๒๖ Tibetan ༡༣༢༢༦ Khmer ១៣២២៦ Lao ໑໓໒໒໖ Burmese ၁၃၂၂၆

Digit at this position in famous constants

π — Pi (π)
Digit 13,226 = 0
e — Euler's number (e)
Digit 13,226 = 8
φ — Golden ratio (φ)
Digit 13,226 = 9
√2 — Pythagoras's (√2)
Digit 13,226 = 0
ln 2 — Natural log of 2
Digit 13,226 = 5
γ — Euler-Mascheroni (γ)
Digit 13,226 = 9

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 13226, here are decompositions:

  • 7 + 13219 = 13226
  • 43 + 13183 = 13226
  • 67 + 13159 = 13226
  • 79 + 13147 = 13226
  • 127 + 13099 = 13226
  • 163 + 13063 = 13226
  • 193 + 13033 = 13226
  • 223 + 13003 = 13226

Showing the first eight; more decompositions exist.

Unicode codepoint
Square Kpa
U+33AA
Other symbol (So)

UTF-8 encoding: E3 8E AA (3 bytes).

Hex color
#0033AA
RGB(0, 51, 170)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.51.170.

Address
0.0.51.170
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.51.170

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

Position in π

The digit sequence 13226 first appears in π at position 235,589 of the decimal expansion (the 235,589ordinal-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.