number.wiki
Number

80,309

80,309 is a prime, odd.

Arithmetic Number Deficient Number Evil Number Prime Pythagorean Prime Recamán's Sequence Sophie Germain Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
17 bits
Reversed
90,308
Recamán's sequence
a(119,489) = 80,309
Square (n²)
6,449,535,481
Cube (n³)
517,955,744,943,629
Divisor count
2
σ(n) — sum of divisors
80,310
φ(n) — Euler's totient
80,308

Primality

80,309 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 80309
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 80,309)
1 × 80309
First multiples
80,309 · 160,618 (double) · 240,927 · 321,236 · 401,545 · 481,854 · 562,163 · 642,472 · 722,781 · 803,090

Sums & aliquot sequence

As a sum of two squares: 55² + 278²
As consecutive integers: 40,154 + 40,155

Representations

In words
eighty thousand three hundred nine
Ordinal
80309th
Binary
10011100110110101
Octal
234665
Hexadecimal
0x139B5
Base64
ATm1
One's complement
4,294,886,986 (32-bit)
In other bases
ternary (3) 11002011102
quaternary (4) 103212311
quinary (5) 10032214
senary (6) 1415445
septenary (7) 453065
nonary (9) 132142
undecimal (11) 55379
duodecimal (12) 3a585
tridecimal (13) 2a728
tetradecimal (14) 213a5
pentadecimal (15) 18bde

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵πτθʹ
Mayan (base 20)
𝋪·𝋠·𝋯·𝋩
Chinese
八萬零三百零九
Chinese (financial)
捌萬零參佰零玖
In other modern scripts
Eastern Arabic ٨٠٣٠٩ Devanagari ८०३०९ Bengali ৮০৩০৯ Tamil ௮௦௩௦௯ Thai ๘๐๓๐๙ Tibetan ༨༠༣༠༩ Khmer ៨០៣០៩ Lao ໘໐໓໐໙ Burmese ၈၀၃၀၉

Digit at this position in famous constants

π — Pi (π)
Digit 80,309 = 5
e — Euler's number (e)
Digit 80,309 = 4
φ — Golden ratio (φ)
Digit 80,309 = 0
√2 — Pythagoras's (√2)
Digit 80,309 = 2
ln 2 — Natural log of 2
Digit 80,309 = 2
γ — Euler-Mascheroni (γ)
Digit 80,309 = 3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 80,287 (gap of 22)
  • Next prime: 80,317 (gap of 8)
Unicode codepoint
𓦵
Egyptian Hieroglyph-139B5
U+139B5
Other letter (Lo)

UTF-8 encoding: F0 93 A6 B5 (4 bytes).

Hex color
#0139B5
RGB(1, 57, 181)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.57.181.

Address
0.1.57.181
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.57.181

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

Position in π

The digit sequence 80309 first appears in π at position 364,491 of the decimal expansion (the 364,491ordinal-suffix:st 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.