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Number

6,823

6,823 is a prime, odd.

6,823 (six thousand eight hundred twenty-three) is an odd 4-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x1AA7.

Arithmetic Number Cousin Prime Cube-Free Deficient Number Evil Number Left-Truncatable Prime Prime Recamán's Sequence Self Number Sexy Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
4
Digit sum
19
Digit product
288
Digital root
1
Palindrome
No
Bit width
13 bits
Reversed
3,286
Recamán's sequence
a(26,698) = 6,823
Square (n²)
46,553,329
Cube (n³)
317,633,363,767
Divisor count
2
σ(n) — sum of divisors
6,824
φ(n) — Euler's totient
6,822

Primality

6,823 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 6823
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 6,823)
1 × 6823
First multiples
6,823 · 13,646 (double) · 20,469 · 27,292 · 34,115 · 40,938 · 47,761 · 54,584 · 61,407 · 68,230

Sums & aliquot sequence

As consecutive integers: 3,411 + 3,412

Continued fraction of √n

√6,823 = [82; (1, 1, 1, 1, 26, 1, 14, 18, 3, 2, 5, 1, 2, 4, 1, 1, 1, 8, 1, 1, 6, 1, 54, 4, …)]

Period length 52 — the block in parentheses repeats forever.

Representations

In words
six thousand eight hundred twenty-three
Ordinal
6823rd
Binary
1101010100111
Octal
15247
Hexadecimal
0x1AA7
Base64
Gqc=
One's complement
58,712 (16-bit)
Scientific notation
6.823 × 10³
As a duration
6,823 s = 1 hour, 53 minutes, 43 seconds
In other bases
ternary (3) 100100201
quaternary (4) 1222213
quinary (5) 204243
senary (6) 51331
septenary (7) 25615
nonary (9) 10321
undecimal (11) 5143
duodecimal (12) 3b47
tridecimal (13) 314b
tetradecimal (14) 26b5
pentadecimal (15) 204d

As an angle

6,823° = 18 × 360° + 343°
343° ≈ 5.986 rad
Compass bearing: NNW (north-northwest)

Historical numeral systems

Babylonian (base 60)
𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵ϛωκγʹ
Mayan (base 20)
𝋱·𝋡·𝋣
Chinese
六千八百二十三
Chinese (financial)
陸仟捌佰貳拾參
In other modern scripts
Eastern Arabic ٦٨٢٣ Devanagari ६८२३ Bengali ৬৮২৩ Tamil ௬௮௨௩ Thai ๖๘๒๓ Tibetan ༦༨༢༣ Khmer ៦៨២៣ Lao ໖໘໒໓ Burmese ၆၈၂၃

Digit at this position in famous constants

π — Pi (π)
Digit 6,823 = 2
e — Euler's number (e)
Digit 6,823 = 9
φ — Golden ratio (φ)
Digit 6,823 = 5
√2 — Pythagoras's (√2)
Digit 6,823 = 8
ln 2 — Natural log of 2
Digit 6,823 = 0
γ — Euler-Mascheroni (γ)
Digit 6,823 = 9

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 6,803 (gap of 20)
  • Next prime: 6,827 (gap of 4)

Pair status: cousin with 6827.

Unicode codepoint
Tai Tham Sign Mai Yamok
U+1AA7
Modifier letter (Lm)

UTF-8 encoding: E1 AA A7 (3 bytes).

Hex color
#001AA7
RGB(0, 26, 167)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.26.167.

Address
0.0.26.167
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.26.167

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

Musical pitch

Heard as a frequency, 6,823 Hz is closest to:

  • Concert pitch (A4 = 440 Hz): G♯8 (6644.9 Hz, +46¢ — about midway to A8)
  • Scientific pitch (C4 = 256 Hz): A8 (6888.6 Hz, -17¢)
  • Baroque pitch (A4 = 415 Hz): A8 (6640 Hz, +47¢ — about midway to A♯8)
Position in π

The digit sequence 6823 first appears in π at position 1,040 of the decimal expansion (the 1,040ordinal-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.
  • Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.