Live analysis

4,401

4,401 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

4,401 (four thousand four hundred one) is an odd 4-digit number. It is a composite number with 8 divisors, and factors as 3³ × 163. Written other ways, in hexadecimal, 0x1131.

Arithmetic Number Deficient Number Harshad / Niven Odious Number Pernicious Number Recamán's Sequence

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

4,389 4,390 4,391 4,392 4,393 4,394 4,395 4,396 4,397 4,398 4,399 4,400 4,401 4,402 4,403 4,404 4,405 4,406 4,407 4,408 4,409 4,410 4,411 4,412 4,413

less more

Properties

Parity: Odd
Digit count: 4
Digit sum: 9
Digit product: 0
Digital root: 9
Palindrome: No
Bit width: 13 bits
Reversed: 1,044
Recamán's sequence: a(13,905) = 4,401
Square (n²): 19,368,801
Cube (n³): 85,242,093,201
Divisor count: 8
σ(n) — sum of divisors: 6,560
φ(n) — Euler's totient: 2,916
Sum of prime factors: 172

Primality

Prime factorization: 3 ³ × 163

Nearest primes: 4,397 (−4) · 4,409 (+8)

Divisors & multiples

All divisors (8)

1 · 3 · 9 · 27 · 163 · 489 · 1467 · 4401

Aliquot sum (sum of proper divisors): 2,159

Factor pairs (a × b = 4,401)

1 × 4401

3 × 1467

9 × 489

27 × 163

First multiples

4,401 · 8,802 (double) · 13,203 · 17,604 · 22,005 · 26,406 · 30,807 · 35,208 · 39,609 · 44,010

Sums & aliquot sequence

As consecutive integers: 2,200 + 2,201 1,466 + 1,467 + 1,468 731 + 732 + 733 + 734 + 735 + 736 485 + 486 + … + 493

Aliquot sequence: 4,401 → 2,159 → 145 → 35 → 13 → 1 → 0 — terminates at zero

Continued fraction of √n

√4,401 = [66; (2, 1, 15, 1, 11, 8, 4, 1, 3, 1, 3, 2, 1, 4, 1, 1, 1, 1, 2, 2, 1, 14, 26, 2, …)]

Period length 58 — the block in parentheses repeats forever.

Representations

In words: four thousand four hundred one
Ordinal: 4401st
Binary: 1000100110001
Octal: 10461
Hexadecimal: 0x1131
Base64: ETE=
One's complement: 61,134 (16-bit)
Scientific notation: 4.401 × 10³
As a duration: 4,401 s = 1 hour, 13 minutes, 21 seconds

In other bases

ternary (3) 20001000

quaternary (4) 1010301

quinary (5) 120101

senary (6) 32213

septenary (7) 15555

nonary (9) 6030

undecimal (11) 3341

duodecimal (12) 2669

tridecimal (13) 2007

tetradecimal (14) 1865

pentadecimal (15) 1486

As an angle

4,401° = 12 × 360° + 81°

81° ≈ 1.414 rad

Compass bearing: E (east)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓏺
Greek (Milesian): ͵δυαʹ
Mayan (base 20): 𝋫·𝋠·𝋡
Chinese: 四千四百零一
Chinese (financial): 肆仟肆佰零壹

In other modern scripts

Eastern Arabic ٤٤٠١ Devanagari ४४०१ Bengali ৪৪০১ Tamil ௪௪௦௧ Thai ๔๔๐๑ Tibetan ༤༤༠༡ Khmer ៤៤០១ Lao ໔໔໐໑ Burmese ၄၄၀၁

Digit at this position in famous constants

π — Pi (π): Digit 4,401 = 3
e — Euler's number (e): Digit 4,401 = 1
φ — Golden ratio (φ): Digit 4,401 = 0
√2 — Pythagoras's (√2): Digit 4,401 = 7
ln 2 — Natural log of 2: Digit 4,401 = 1
γ — Euler-Mascheroni (γ): Digit 4,401 = 1

Also seen as

Unicode codepoint

ᄱ

Hangul Choseong Sios-Mieum

U+1131

Other letter (Lo)

UTF-8 encoding: E1 84 B1 (3 bytes).

Lookup U+1131 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#001131

RGB(0, 17, 49)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.17.49.

Address: 0.0.17.49
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.17.49

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

Musical pitch

Heard as a frequency, 4,401 Hz is closest to:

Concert pitch (A4 = 440 Hz): C♯8 (4434.9 Hz, -13¢)
Scientific pitch (C4 = 256 Hz): C♯8 (4339.6 Hz, +24¢)
Baroque pitch (A4 = 415 Hz): D8 (4431.7 Hz, -12¢)

Position in π

The digit sequence 4401 first appears in π at position 4,215 of the decimal expansion (the 4,215ordinal-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.

Look up 4401 on Pi Search ↗