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Number

3,469

3,469 is a prime, odd.

3,469 (three thousand four hundred sixty-nine) is an odd 4-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in Roman numerals it is MMMCDLXIX and in binary, 110110001101.

Arithmetic Number Ascending Digits Cube-Free Deficient Number Emirp Odious Number Pernicious Number Prime Pythagorean Prime Recamán's Sequence Sexy Prime Squarefree Twin Prime

Interestingness

10 notable facts · grade A
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Properties

Parity
Odd
Digit count
4
Digit sum
22
Digit product
648
Digital root
4
Palindrome
No
Bit width
12 bits
Reversed
9,643
Recamán's sequence
a(14,953) = 3,469
Square (n²)
12,033,961
Cube (n³)
41,745,810,709
Divisor count
2
σ(n) — sum of divisors
3,470
φ(n) — Euler's totient
3,468

Primality

3,469 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 3469
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 3,469)
1 × 3469
First multiples
3,469 · 6,938 (double) · 10,407 · 13,876 · 17,345 · 20,814 · 24,283 · 27,752 · 31,221 · 34,690

Sums & aliquot sequence

As a sum of two squares: 38² + 45²
As consecutive integers: 1,734 + 1,735

Continued fraction of √n

√3,469 = [58; (1, 8, 1, 4, 1, 2, 2, 3, 1, 3, 1, 1, 2, 3, 5, 1, 1, 2, 7, 2, 5, 1, 2, 1, …)]

Representations

In words
three thousand four hundred sixty-nine
Ordinal
3469th
Roman numeral
MMMCDLXIX
Binary
110110001101
Octal
6615
Hexadecimal
0xD8D
Base64
DY0=
One's complement
62,066 (16-bit)
Scientific notation
3.469 × 10³
As a duration
3,469 s = 57 minutes, 49 seconds
In other bases
ternary (3) 11202111
quaternary (4) 312031
quinary (5) 102334
senary (6) 24021
septenary (7) 13054
nonary (9) 4674
undecimal (11) 2674
duodecimal (12) 2011
tridecimal (13) 176b
tetradecimal (14) 139b
pentadecimal (15) 1064
Palindromic in base 16

As an angle

3,469° = 9 × 360° + 229°
229° ≈ 3.997 rad
Compass bearing: SW (southwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵γυξθʹ
Mayan (base 20)
𝋨·𝋭·𝋩
Chinese
三千四百六十九
Chinese (financial)
參仟肆佰陸拾玖
In other modern scripts
Eastern Arabic ٣٤٦٩ Devanagari ३४६९ Bengali ৩৪৬৯ Tamil ௩௪௬௯ Thai ๓๔๖๙ Tibetan ༣༤༦༩ Khmer ៣៤៦៩ Lao ໓໔໖໙ Burmese ၃၄၆၉

Digit at this position in famous constants

π — Pi (π)
Digit 3,469 = 6
e — Euler's number (e)
Digit 3,469 = 0
φ — Golden ratio (φ)
Digit 3,469 = 8
√2 — Pythagoras's (√2)
Digit 3,469 = 5
ln 2 — Natural log of 2
Digit 3,469 = 6
γ — Euler-Mascheroni (γ)
Digit 3,469 = 3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 3,467 (gap of 2)
  • Next prime: 3,491 (gap of 22)

Pair status: twin with 3467.

Unicode codepoint
Sinhala Letter Iruyanna
U+0D8D
Other letter (Lo)

UTF-8 encoding: E0 B6 8D (3 bytes).

Hex color
#000D8D
RGB(0, 13, 141)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.13.141.

Address
0.0.13.141
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.13.141

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

Musical pitch

Heard as a frequency, 3,469 Hz is closest to:

  • Concert pitch (A4 = 440 Hz): A7 (3520 Hz, -25¢)
  • Scientific pitch (C4 = 256 Hz): A7 (3444.3 Hz, +12¢)
  • Baroque pitch (A4 = 415 Hz): A♯7 (3517.4 Hz, -24¢)
Position in π

The digit sequence 3469 first appears in π at position 811 of the decimal expansion (the 811ordinal-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.