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13,662

13,662 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 Arithmetic Number Happy Number Harshad / Niven Odious Number Practical Number Recamán's Sequence Semiperfect Number Smith Number

Properties

Parity
Even
Digit count
5
Digit sum
18
Digit product
216
Digital root
9
Palindrome
No
Bit width
14 bits
Reversed
26,631
Recamán's sequence
a(4,096) = 13,662
Square (n²)
186,650,244
Cube (n³)
2,550,015,633,528
Divisor count
32
σ(n) — sum of divisors
34,560
φ(n) — Euler's totient
3,960
Sum of prime factors
45

Primality

Prime factorization: 2 × 3 3 × 11 × 23

Nearest primes: 13,649 (−13) · 13,669 (+7)

Divisors & multiples

All divisors (32)
1 · 2 · 3 · 6 · 9 · 11 · 18 · 22 · 23 · 27 · 33 · 46 · 54 · 66 · 69 · 99 · 138 · 198 · 207 · 253 · 297 · 414 · 506 · 594 · 621 · 759 · 1242 · 1518 · 2277 · 4554 · 6831 (half) · 13662
Aliquot sum (sum of proper divisors): 20,898
Factor pairs (a × b = 13,662)
1 × 13662
2 × 6831
3 × 4554
6 × 2277
9 × 1518
11 × 1242
18 × 759
22 × 621
23 × 594
27 × 506
33 × 414
46 × 297
54 × 253
66 × 207
69 × 198
99 × 138
First multiples
13,662 · 27,324 (double) · 40,986 · 54,648 · 68,310 · 81,972 · 95,634 · 109,296 · 122,958 · 136,620

Sums & aliquot sequence

As consecutive integers: 4,553 + 4,554 + 4,555 3,414 + 3,415 + 3,416 + 3,417 1,514 + 1,515 + … + 1,522 1,237 + 1,238 + … + 1,247
Aliquot sequence: 13,662 20,898 27,150 40,554 49,686 75,486 82,338 82,350 148,290 207,678 207,690 400,566 409,722 445,638 504,834 596,766 612,834 — unresolved within range

Representations

In words
thirteen thousand six hundred sixty-two
Ordinal
13662nd
Binary
11010101011110
Octal
32536
Hexadecimal
0x355E
Base64
NV4=
One's complement
51,873 (16-bit)
In other bases
ternary (3) 200202000
quaternary (4) 3111132
quinary (5) 414122
senary (6) 143130
septenary (7) 54555
nonary (9) 20660
undecimal (11) a2a0
duodecimal (12) 7aa6
tridecimal (13) 62ac
tetradecimal (14) 4d9c
pentadecimal (15) 40ac

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
Greek (Milesian)
͵ιγχξβʹ
Mayan (base 20)
𝋡·𝋮·𝋣·𝋢
Chinese
一萬三千六百六十二
Chinese (financial)
壹萬參仟陸佰陸拾貳
In other modern scripts
Eastern Arabic ١٣٦٦٢ Devanagari १३६६२ Bengali ১৩৬৬২ Tamil ௧௩௬௬௨ Thai ๑๓๖๖๒ Tibetan ༡༣༦༦༢ Khmer ១៣៦៦២ Lao ໑໓໖໖໒ Burmese ၁၃၆၆၂

Digit at this position in famous constants

π — Pi (π)
Digit 13,662 = 3
e — Euler's number (e)
Digit 13,662 = 9
φ — Golden ratio (φ)
Digit 13,662 = 0
√2 — Pythagoras's (√2)
Digit 13,662 = 3
ln 2 — Natural log of 2
Digit 13,662 = 6
γ — Euler-Mascheroni (γ)
Digit 13,662 = 1

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 13662, here are decompositions:

  • 13 + 13649 = 13662
  • 29 + 13633 = 13662
  • 43 + 13619 = 13662
  • 71 + 13591 = 13662
  • 109 + 13553 = 13662
  • 139 + 13523 = 13662
  • 149 + 13513 = 13662
  • 163 + 13499 = 13662

Showing the first eight; more decompositions exist.

Unicode codepoint
CJK Unified Ideograph-355E
U+355E
Other letter (Lo)

UTF-8 encoding: E3 95 9E (3 bytes).

Hex color
#00355E
RGB(0, 53, 94)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.53.94.

Address
0.0.53.94
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.53.94

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

Position in π

The digit sequence 13662 first appears in π at position 67,260 of the decimal expansion (the 67,260ordinal-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.