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13,115

13,115 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.).
Arithmetic Number Deficient Number Odious Number Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
11
Digit product
15
Digital root
2
Palindrome
No
Bit width
14 bits
Reversed
51,131
Recamán's sequence
a(48,045) = 13,115
Square (n²)
172,003,225
Cube (n³)
2,255,822,295,875
Divisor count
8
σ(n) — sum of divisors
16,368
φ(n) — Euler's totient
10,080
Sum of prime factors
109

Primality

Prime factorization: 5 × 43 × 61

Nearest primes: 13,109 (−6) · 13,121 (+6)

Divisors & multiples

All divisors (8)
1 · 5 · 43 · 61 · 215 · 305 · 2623 · 13115
Aliquot sum (sum of proper divisors): 3,253
Factor pairs (a × b = 13,115)
1 × 13115
5 × 2623
43 × 305
61 × 215
First multiples
13,115 · 26,230 (double) · 39,345 · 52,460 · 65,575 · 78,690 · 91,805 · 104,920 · 118,035 · 131,150

Sums & aliquot sequence

As consecutive integers: 6,557 + 6,558 2,621 + 2,622 + 2,623 + 2,624 + 2,625 1,307 + 1,308 + … + 1,316 284 + 285 + … + 326
Aliquot sequence: 13,115 3,253 1 0 — terminates at zero

Representations

In words
thirteen thousand one hundred fifteen
Ordinal
13115th
Binary
11001100111011
Octal
31473
Hexadecimal
0x333B
Base64
Mzs=
One's complement
52,420 (16-bit)
In other bases
ternary (3) 122222202
quaternary (4) 3030323
quinary (5) 404430
senary (6) 140415
septenary (7) 53144
nonary (9) 18882
undecimal (11) 9943
duodecimal (12) 770b
tridecimal (13) 5c7b
tetradecimal (14) 4acb
pentadecimal (15) 3d45

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιγριεʹ
Mayan (base 20)
𝋡·𝋬·𝋯·𝋯
Chinese
一萬三千一百一十五
Chinese (financial)
壹萬參仟壹佰壹拾伍
In other modern scripts
Eastern Arabic ١٣١١٥ Devanagari १३११५ Bengali ১৩১১৫ Tamil ௧௩௧௧௫ Thai ๑๓๑๑๕ Tibetan ༡༣༡༡༥ Khmer ១៣១១៥ Lao ໑໓໑໑໕ Burmese ၁၃၁၁၅

Digit at this position in famous constants

π — Pi (π)
Digit 13,115 = 8
e — Euler's number (e)
Digit 13,115 = 6
φ — Golden ratio (φ)
Digit 13,115 = 0
√2 — Pythagoras's (√2)
Digit 13,115 = 1
ln 2 — Natural log of 2
Digit 13,115 = 9
γ — Euler-Mascheroni (γ)
Digit 13,115 = 5

Also seen as

Unicode codepoint
Square Peezi
U+333B
Other symbol (So)

UTF-8 encoding: E3 8C BB (3 bytes).

Hex color
#00333B
RGB(0, 51, 59)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.51.59.

Address
0.0.51.59
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.51.59

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

Position in π

The digit sequence 13115 first appears in π at position 44,967 of the decimal expansion (the 44,967ordinal-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.