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55,081

55,081 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 Harshad / Niven Odious Number Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
19
Digit product
0
Digital root
1
Palindrome
No
Bit width
16 bits
Reversed
18,055
Recamán's sequence
a(141,393) = 55,081
Square (n²)
3,033,916,561
Cube (n³)
167,111,158,096,441
Divisor count
8
σ(n) — sum of divisors
62,720
φ(n) — Euler's totient
47,952
Sum of prime factors
255

Primality

Prime factorization: 13 × 19 × 223

Nearest primes: 55,079 (−2) · 55,103 (+22)

Divisors & multiples

All divisors (8)
1 · 13 · 19 · 223 · 247 · 2899 · 4237 · 55081
Aliquot sum (sum of proper divisors): 7,639
Factor pairs (a × b = 55,081)
1 × 55081
13 × 4237
19 × 2899
223 × 247
First multiples
55,081 · 110,162 (double) · 165,243 · 220,324 · 275,405 · 330,486 · 385,567 · 440,648 · 495,729 · 550,810

Sums & aliquot sequence

As consecutive integers: 27,540 + 27,541 4,231 + 4,232 + … + 4,243 2,890 + 2,891 + … + 2,908 2,106 + 2,107 + … + 2,131
Aliquot sequence: 55,081 7,639 1 0 — terminates at zero

Representations

In words
fifty-five thousand eighty-one
Ordinal
55081st
Binary
1101011100101001
Octal
153451
Hexadecimal
0xD729
Base64
1yk=
One's complement
10,454 (16-bit)
In other bases
ternary (3) 2210120001
quaternary (4) 31130221
quinary (5) 3230311
senary (6) 1103001
septenary (7) 316405
nonary (9) 83501
undecimal (11) 38424
duodecimal (12) 27a61
tridecimal (13) 1c0c0
tetradecimal (14) 16105
pentadecimal (15) 114c1

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵νεπαʹ
Mayan (base 20)
𝋦·𝋱·𝋮·𝋡
Chinese
五萬五千零八十一
Chinese (financial)
伍萬伍仟零捌拾壹
In other modern scripts
Eastern Arabic ٥٥٠٨١ Devanagari ५५०८१ Bengali ৫৫০৮১ Tamil ௫௫௦௮௧ Thai ๕๕๐๘๑ Tibetan ༥༥༠༨༡ Khmer ៥៥០៨១ Lao ໕໕໐໘໑ Burmese ၅၅၀၈၁

Digit at this position in famous constants

π — Pi (π)
Digit 55,081 = 5
e — Euler's number (e)
Digit 55,081 = 9
φ — Golden ratio (φ)
Digit 55,081 = 1
√2 — Pythagoras's (√2)
Digit 55,081 = 0
ln 2 — Natural log of 2
Digit 55,081 = 1
γ — Euler-Mascheroni (γ)
Digit 55,081 = 9

Also seen as

Unicode codepoint
Hangul Syllable Hwib
U+D729
Other letter (Lo)

UTF-8 encoding: ED 9C A9 (3 bytes).

Hex color
#00D729
RGB(0, 215, 41)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.215.41.

Address
0.0.215.41
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.215.41

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

Position in π

The digit sequence 55081 first appears in π at position 3,204 of the decimal expansion (the 3,204ordinal-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.