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13,671

13,671 is a composite number, odd.

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 Odious Number Recamán's Sequence

Properties

Parity
Odd
Digit count
5
Digit sum
18
Digit product
126
Digital root
9
Palindrome
No
Bit width
14 bits
Reversed
17,631
Recamán's sequence
a(4,114) = 13,671
Square (n²)
186,896,241
Cube (n³)
2,555,058,510,711
Divisor count
18
σ(n) — sum of divisors
23,712
φ(n) — Euler's totient
7,560
Sum of prime factors
51

Primality

Prime factorization: 3 2 × 7 2 × 31

Nearest primes: 13,669 (−2) · 13,679 (+8)

Divisors & multiples

All divisors (18)
1 · 3 · 7 · 9 · 21 · 31 · 49 · 63 · 93 · 147 · 217 · 279 · 441 · 651 · 1519 · 1953 · 4557 · 13671
Aliquot sum (sum of proper divisors): 10,041
Factor pairs (a × b = 13,671)
1 × 13671
3 × 4557
7 × 1953
9 × 1519
21 × 651
31 × 441
49 × 279
63 × 217
93 × 147
First multiples
13,671 · 27,342 (double) · 41,013 · 54,684 · 68,355 · 82,026 · 95,697 · 109,368 · 123,039 · 136,710

Sums & aliquot sequence

As consecutive integers: 6,835 + 6,836 4,556 + 4,557 + 4,558 2,276 + 2,277 + 2,278 + 2,279 + 2,280 + 2,281 1,950 + 1,951 + … + 1,956
Aliquot sequence: 13,671 10,041 3,351 1,121 79 1 0 — terminates at zero

Representations

In words
thirteen thousand six hundred seventy-one
Ordinal
13671st
Binary
11010101100111
Octal
32547
Hexadecimal
0x3567
Base64
NWc=
One's complement
51,864 (16-bit)
In other bases
ternary (3) 200202100
quaternary (4) 3111213
quinary (5) 414141
senary (6) 143143
septenary (7) 54600
nonary (9) 20670
undecimal (11) a2a9
duodecimal (12) 7ab3
tridecimal (13) 62b8
tetradecimal (14) 4da7
pentadecimal (15) 40b6

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ιγχοαʹ
Mayan (base 20)
𝋡·𝋮·𝋣·𝋫
Chinese
一萬三千六百七十一
Chinese (financial)
壹萬參仟陸佰柒拾壹
In other modern scripts
Eastern Arabic ١٣٦٧١ Devanagari १३६७१ Bengali ১৩৬৭১ Tamil ௧௩௬௭௧ Thai ๑๓๖๗๑ Tibetan ༡༣༦༧༡ Khmer ១៣៦៧១ Lao ໑໓໖໗໑ Burmese ၁၃၆၇၁

Digit at this position in famous constants

π — Pi (π)
Digit 13,671 = 1
e — Euler's number (e)
Digit 13,671 = 3
φ — Golden ratio (φ)
Digit 13,671 = 0
√2 — Pythagoras's (√2)
Digit 13,671 = 2
ln 2 — Natural log of 2
Digit 13,671 = 1
γ — Euler-Mascheroni (γ)
Digit 13,671 = 6

Also seen as

Unicode codepoint
CJK Unified Ideograph-3567
U+3567
Other letter (Lo)

UTF-8 encoding: E3 95 A7 (3 bytes).

Hex color
#003567
RGB(0, 53, 103)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.53.103.

Address
0.0.53.103
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.53.103

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

Position in π

The digit sequence 13671 first appears in π at position 212,210 of the decimal expansion (the 212,210ordinal-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.