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Number

80,279

80,279 is a prime, odd.

80,279 (eighty thousand two hundred seventy-nine) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x13997.

Arithmetic Number Chen Prime Cube-Free Deficient Number Evil Number Prime Recamán's Sequence Sexy Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
5
Digit sum
26
Digit product
0
Digital root
8
Palindrome
No
Bit width
17 bits
Reversed
97,208
Recamán's sequence
a(119,549) = 80,279
Square (n²)
6,444,717,841
Cube (n³)
517,375,503,557,639
Divisor count
2
σ(n) — sum of divisors
80,280
φ(n) — Euler's totient
80,278

Primality

80,279 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 80279
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 80,279)
1 × 80279
First multiples
80,279 · 160,558 (double) · 240,837 · 321,116 · 401,395 · 481,674 · 561,953 · 642,232 · 722,511 · 802,790

Sums & aliquot sequence

As consecutive integers: 40,139 + 40,140

Continued fraction of √n

√80,279 = [283; (2, 1, 50, 1, 5, 1, 1, 1, 1, 4, 12, 1, 24, 1, 5, 283, 5, 1, 24, 1, 12, 4, 1, 1, …)]

Period length 32 — the block in parentheses repeats forever.

Representations

In words
eighty thousand two hundred seventy-nine
Ordinal
80279th
Binary
10011100110010111
Octal
234627
Hexadecimal
0x13997
Base64
ATmX
One's complement
4,294,887,016 (32-bit)
Scientific notation
8.0279 × 10⁴
As a duration
80,279 s = 22 hours, 17 minutes, 59 seconds
In other bases
ternary (3) 11002010022
quaternary (4) 103212113
quinary (5) 10032104
senary (6) 1415355
septenary (7) 453023
nonary (9) 132108
undecimal (11) 55351
duodecimal (12) 3a55b
tridecimal (13) 2a704
tetradecimal (14) 21383
pentadecimal (15) 18bbe

As an angle

80,279° = 222 × 360° + 359°
359° ≈ 6.266 rad
Compass bearing: N (north)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵πσοθʹ
Mayan (base 20)
𝋪·𝋠·𝋭·𝋳
Chinese
八萬零二百七十九
Chinese (financial)
捌萬零貳佰柒拾玖
In other modern scripts
Eastern Arabic ٨٠٢٧٩ Devanagari ८०२७९ Bengali ৮০২৭৯ Tamil ௮௦௨௭௯ Thai ๘๐๒๗๙ Tibetan ༨༠༢༧༩ Khmer ៨០២៧៩ Lao ໘໐໒໗໙ Burmese ၈၀၂၇၉

Digit at this position in famous constants

π — Pi (π)
Digit 80,279 = 5
e — Euler's number (e)
Digit 80,279 = 5
φ — Golden ratio (φ)
Digit 80,279 = 9
√2 — Pythagoras's (√2)
Digit 80,279 = 1
ln 2 — Natural log of 2
Digit 80,279 = 5
γ — Euler-Mascheroni (γ)
Digit 80,279 = 1

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 80,273 (gap of 6)
  • Next prime: 80,287 (gap of 8)

Pair status: sexy with 80273.

Unicode codepoint
𓦗
Egyptian Hieroglyph-13997
U+13997
Other letter (Lo)

UTF-8 encoding: F0 93 A6 97 (4 bytes).

Hex color
#013997
RGB(1, 57, 151)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.57.151.

Address
0.1.57.151
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.57.151

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

Position in π

The digit sequence 80279 first appears in π at position 132,586 of the decimal expansion (the 132,586ordinal-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

  • Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.