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29,081

29,081 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.).

29,081 (twenty-nine thousand eighty-one) is an odd 5-digit number. It is a composite number with 4 divisors, and factors as 13 × 2,237. Written other ways, in hexadecimal, 0x7199.

Arithmetic Number Cube-Free Deficient Number Evil Number Recamán's Sequence Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
5
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
15 bits
Reversed
18,092
Recamán's sequence
a(33,229) = 29,081
Square (n²)
845,704,561
Cube (n³)
24,593,934,338,441
Divisor count
4
σ(n) — sum of divisors
31,332
φ(n) — Euler's totient
26,832
Sum of prime factors
2,250

Primality

Prime factorization: 13 × 2237

Nearest primes: 29,077 (−4) · 29,101 (+20)

Divisors & multiples

All divisors (4)
1 · 13 · 2237 · 29081
Aliquot sum (sum of proper divisors): 2,251
Factor pairs (a × b = 29,081)
1 × 29081
13 × 2237
First multiples
29,081 · 58,162 (double) · 87,243 · 116,324 · 145,405 · 174,486 · 203,567 · 232,648 · 261,729 · 290,810

Sums & aliquot sequence

As a sum of two squares: 59² + 160² = 116² + 125²
As consecutive integers: 14,540 + 14,541 2,231 + 2,232 + … + 2,243 1,106 + 1,107 + … + 1,131
Aliquot sequence: 29,081 2,251 1 0 — terminates at zero

Continued fraction of √n

√29,081 = [170; (1, 1, 7, 2, 3, 8, 4, 5, 11, 1, 1, 3, 14, 1, 1, 5, 13, 2, 5, 1, 20, 2, 8, 26, …)]

Period length 48 — the block in parentheses repeats forever.

Representations

In words
twenty-nine thousand eighty-one
Ordinal
29081st
Binary
111000110011001
Octal
70631
Hexadecimal
0x7199
Base64
cZk=
One's complement
36,454 (16-bit)
Scientific notation
2.9081 × 10⁴
As a duration
29,081 s = 8 hours, 4 minutes, 41 seconds
In other bases
ternary (3) 1110220002
quaternary (4) 13012121
quinary (5) 1412311
senary (6) 342345
septenary (7) 150533
nonary (9) 43802
undecimal (11) 1a938
duodecimal (12) 149b5
tridecimal (13) 10310
tetradecimal (14) a853
pentadecimal (15) 893b

As an angle

29,081° = 80 × 360° + 281°
281° ≈ 4.904 rad
Compass bearing: W (west)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵κθπαʹ
Mayan (base 20)
𝋣·𝋬·𝋮·𝋡
Chinese
二萬九千零八十一
Chinese (financial)
貳萬玖仟零捌拾壹
In other modern scripts
Eastern Arabic ٢٩٠٨١ Devanagari २९०८१ Bengali ২৯০৮১ Tamil ௨௯௦௮௧ Thai ๒๙๐๘๑ Tibetan ༢༩༠༨༡ Khmer ២៩០៨១ Lao ໒໙໐໘໑ Burmese ၂၉၀၈၁

Digit at this position in famous constants

π — Pi (π)
Digit 29,081 = 4
e — Euler's number (e)
Digit 29,081 = 0
φ — Golden ratio (φ)
Digit 29,081 = 2
√2 — Pythagoras's (√2)
Digit 29,081 = 5
ln 2 — Natural log of 2
Digit 29,081 = 7
γ — Euler-Mascheroni (γ)
Digit 29,081 = 0

Also seen as

Unicode codepoint
CJK Unified Ideograph-7199
U+7199
Other letter (Lo)

UTF-8 encoding: E7 86 99 (3 bytes).

Hex color
#007199
RGB(0, 113, 153)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.113.153.

Address
0.0.113.153
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.113.153

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

Position in π

The digit sequence 29081 first appears in π at position 11,557 of the decimal expansion (the 11,557ordinal-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.

Related reading

  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.