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Number

9,479

9,479 is a prime, odd.

9,479 (nine thousand four hundred seventy-nine) is an odd 4-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x2507.

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

Interestingness

Properties

Parity
Odd
Digit count
4
Digit sum
29
Digit product
2,268
Digital root
2
Palindrome
No
Bit width
14 bits
Reversed
9,749
Recamán's sequence
a(8,981) = 9,479
Square (n²)
89,851,441
Cube (n³)
851,701,809,239
Divisor count
2
σ(n) — sum of divisors
9,480
φ(n) — Euler's totient
9,478

Primality

9,479 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 9479
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 9,479)
1 × 9479
First multiples
9,479 · 18,958 (double) · 28,437 · 37,916 · 47,395 · 56,874 · 66,353 · 75,832 · 85,311 · 94,790

Sums & aliquot sequence

As consecutive integers: 4,739 + 4,740

Continued fraction of √n

√9,479 = [97; (2, 1, 3, 2, 9, 1, 4, 4, 1, 1, 5, 97, 5, 1, 1, 4, 4, 1, 9, 2, 3, 1, 2, 194)]

Period length 24 — the block in parentheses repeats forever.

Representations

In words
nine thousand four hundred seventy-nine
Ordinal
9479th
Binary
10010100000111
Octal
22407
Hexadecimal
0x2507
Base64
JQc=
One's complement
56,056 (16-bit)
Scientific notation
9.479 × 10³
As a duration
9,479 s = 2 hours, 37 minutes, 59 seconds
In other bases
ternary (3) 111000002
quaternary (4) 2110013
quinary (5) 300404
senary (6) 111515
septenary (7) 36431
nonary (9) 14002
undecimal (11) 7138
duodecimal (12) 559b
tridecimal (13) 4412
tetradecimal (14) 3651
pentadecimal (15) 2c1e

As an angle

9,479° = 26 × 360° + 119°
119° ≈ 2.077 rad
Compass bearing: ESE (east-southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵θυοθʹ
Mayan (base 20)
𝋡·𝋣·𝋭·𝋳
Chinese
九千四百七十九
Chinese (financial)
玖仟肆佰柒拾玖
In other modern scripts
Eastern Arabic ٩٤٧٩ Devanagari ९४७९ Bengali ৯৪৭৯ Tamil ௯௪௭௯ Thai ๙๔๗๙ Tibetan ༩༤༧༩ Khmer ៩៤៧៩ Lao ໙໔໗໙ Burmese ၉၄၇၉

Digit at this position in famous constants

π — Pi (π)
Digit 9,479 = 9
e — Euler's number (e)
Digit 9,479 = 6
φ — Golden ratio (φ)
Digit 9,479 = 8
√2 — Pythagoras's (√2)
Digit 9,479 = 3
ln 2 — Natural log of 2
Digit 9,479 = 5
γ — Euler-Mascheroni (γ)
Digit 9,479 = 3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 9,473 (gap of 6)
  • Next prime: 9,491 (gap of 12)

Pair status: sexy with 9473.

Unicode codepoint
Box Drawings Heavy Triple Dash Vertical
U+2507
Other symbol (So)

UTF-8 encoding: E2 94 87 (3 bytes).

Hex color
#002507
RGB(0, 37, 7)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.37.7.

Address
0.0.37.7
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.37.7

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

Musical pitch

Heard as a frequency, 9,479 Hz is closest to:

  • Concert pitch (A4 = 440 Hz): D9 (9397.3 Hz, +15¢)
  • Scientific pitch (C4 = 256 Hz): D♯9 (9742 Hz, -47¢ — about midway to D9)
  • Baroque pitch (A4 = 415 Hz): D♯9 (9390.4 Hz, +16¢)
Position in π

The digit sequence 9479 first appears in π at position 2,508 of the decimal expansion (the 2,508ordinal-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.