Live analysis

80,001

80,001 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.).

80,001 (eighty thousand one) is an odd 5-digit number. It is a composite number with 8 divisors, and factors as 3³ × 2,963. Written other ways, in hexadecimal, 0x13881.

Arithmetic Number Deficient Number Evil Number Flippable Harshad / Niven Recamán's Sequence

Interestingness

★ ★ ☆ ☆ ☆

4 notable facts · grade D

79,989 79,990 79,991 79,992 79,993 79,994 79,995 79,996 79,997 79,998 79,999 80,000 80,001 80,002 80,003 80,004 80,005 80,006 80,007 80,008 80,009 80,010 80,011 80,012 80,013

less more

Properties

Parity: Odd
Digit count: 5
Digit sum: 9
Digit product: 0
Digital root: 9
Palindrome: No
Bit width: 17 bits
Reversed: 10,008
Flips to (rotate 180°): 10,008
Recamán's sequence: a(120,105) = 80,001
Square (n²): 6,400,160,001
Cube (n³): 512,019,200,240,001
Divisor count: 8
σ(n) — sum of divisors: 118,560
φ(n) — Euler's totient: 53,316
Sum of prime factors: 2,972

Primality

Prime factorization: 3 ³ × 2963

Nearest primes: 79,999 (−2) · 80,021 (+20)

Divisors & multiples

All divisors (8)

1 · 3 · 9 · 27 · 2963 · 8889 · 26667 · 80001

Aliquot sum (sum of proper divisors): 38,559

Factor pairs (a × b = 80,001)

1 × 80001

3 × 26667

9 × 8889

27 × 2963

First multiples

80,001 · 160,002 (double) · 240,003 · 320,004 · 400,005 · 480,006 · 560,007 · 640,008 · 720,009 · 800,010

Sums & aliquot sequence

As consecutive integers: 40,000 + 40,001 26,666 + 26,667 + 26,668 13,331 + 13,332 + 13,333 + 13,334 + 13,335 + 13,336 8,885 + 8,886 + … + 8,893

Aliquot sequence: 80,001 → 38,559 → 12,857 → 1,927 → 89 → 1 → 0 — terminates at zero

Continued fraction of √n

√80,001 = [282; (1, 5, 2, 3, 13, 1, 1, 29, 3, 1, 11, 1, 4, 1, 1, 13, 1, 1, 2, 9, 1, 7, 1, 14, …)]

Representations

In words: eighty thousand one
Ordinal: 80001st
Binary: 10011100010000001
Octal: 234201
Hexadecimal: 0x13881
Base64: ATiB
One's complement: 4,294,887,294 (32-bit)
Scientific notation: 8.0001 × 10⁴
As a duration: 80,001 s = 22 hours, 13 minutes, 21 seconds

In other bases

ternary (3) 11001202000

quaternary (4) 103202001

quinary (5) 10030001

senary (6) 1414213

septenary (7) 452145

nonary (9) 131660

undecimal (11) 55119

duodecimal (12) 3a369

tridecimal (13) 2a54c

tetradecimal (14) 21225

pentadecimal (15) 18a86

As an angle

80,001° = 222 × 360° + 81°

81° ≈ 1.414 rad

Compass bearing: E (east)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓏺
Greek (Milesian): ͵παʹ
Mayan (base 20): 𝋪·𝋠·𝋠·𝋡
Chinese: 八萬零一
Chinese (financial): 捌萬零壹

In other modern scripts

Eastern Arabic ٨٠٠٠١ Devanagari ८०००१ Bengali ৮০০০১ Tamil ௮௦௦௦௧ Thai ๘๐๐๐๑ Tibetan ༨༠༠༠༡ Khmer ៨០០០១ Lao ໘໐໐໐໑ Burmese ၈၀၀၀၁

Digit at this position in famous constants

π — Pi (π): Digit 80,001 = 6
e — Euler's number (e): Digit 80,001 = 4
φ — Golden ratio (φ): Digit 80,001 = 3
√2 — Pythagoras's (√2): Digit 80,001 = 7
ln 2 — Natural log of 2: Digit 80,001 = 4
γ — Euler-Mascheroni (γ): Digit 80,001 = 6

Also seen as

Unicode codepoint

𓢁

Egyptian Hieroglyph-13881

U+13881

Other letter (Lo)

UTF-8 encoding: F0 93 A2 81 (4 bytes).

Lookup U+13881 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#013881

RGB(1, 56, 129)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.56.129.

Address: 0.1.56.129
Class: reserved
IPv4-mapped IPv6: ::ffff:0.1.56.129

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

Position in π

The digit sequence 80001 first appears in π at position 80,764 of the decimal expansion (the 80,764ordinal-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.

Look up 80001 on Pi Search ↗