Live analysis

5,421

5,421 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.).

5,421 (five thousand four hundred twenty-one) is an odd 4-digit number. It is a composite number with 8 divisors, and factors as 3 × 13 × 139. Written other ways, in hexadecimal, 0x152D.

Arithmetic Number Cube-Free Deficient Number Descending Digits Odious Number Pernicious Number Recamán's Sequence Sphenic Number Squarefree

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

5,409 5,410 5,411 5,412 5,413 5,414 5,415 5,416 5,417 5,418 5,419 5,420 5,421 5,422 5,423 5,424 5,425 5,426 5,427 5,428 5,429 5,430 5,431 5,432 5,433

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Properties

Parity: Odd
Digit count: 4
Digit sum: 12
Digit product: 40
Digital root: 3
Palindrome: No
Bit width: 13 bits
Reversed: 1,245
Recamán's sequence: a(4,422) = 5,421
Square (n²): 29,387,241
Cube (n³): 159,308,233,461
Divisor count: 8
σ(n) — sum of divisors: 7,840
φ(n) — Euler's totient: 3,312
Sum of prime factors: 155

Primality

Prime factorization: 3 × 13 × 139

Nearest primes: 5,419 (−2) · 5,431 (+10)

Divisors & multiples

All divisors (8)

1 · 3 · 13 · 39 · 139 · 417 · 1807 · 5421

Aliquot sum (sum of proper divisors): 2,419

Factor pairs (a × b = 5,421)

1 × 5421

3 × 1807

13 × 417

39 × 139

First multiples

5,421 · 10,842 (double) · 16,263 · 21,684 · 27,105 · 32,526 · 37,947 · 43,368 · 48,789 · 54,210

Sums & aliquot sequence

As consecutive integers: 2,710 + 2,711 1,806 + 1,807 + 1,808 901 + 902 + 903 + 904 + 905 + 906 411 + 412 + … + 423

Aliquot sequence: 5,421 → 2,419 → 101 → 1 → 0 — terminates at zero

Continued fraction of √n

√5,421 = [73; (1, 1, 1, 2, 6, 36, 1, 1, 1, 10, 1, 1, 1, 36, 6, 2, 1, 1, 1, 146)]

Period length 20 — the block in parentheses repeats forever.

Representations

In words: five thousand four hundred twenty-one
Ordinal: 5421st
Binary: 1010100101101
Octal: 12455
Hexadecimal: 0x152D
Base64: FS0=
One's complement: 60,114 (16-bit)
Scientific notation: 5.421 × 10³
As a duration: 5,421 s = 1 hour, 30 minutes, 21 seconds

In other bases

ternary (3) 21102210

quaternary (4) 1110231

quinary (5) 133141

senary (6) 41033

septenary (7) 21543

nonary (9) 7383

undecimal (11) 4089

duodecimal (12) 3179

tridecimal (13) 2610

tetradecimal (14) 1d93

pentadecimal (15) 1916

As an angle

5,421° = 15 × 360° + 21°

21° ≈ 0.367 rad

Compass bearing: NNE (north-northeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹 𒌋𒌋𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian): ͵ευκαʹ
Mayan (base 20): 𝋭·𝋫·𝋡
Chinese: 五千四百二十一
Chinese (financial): 伍仟肆佰貳拾壹

In other modern scripts

Eastern Arabic ٥٤٢١ Devanagari ५४२१ Bengali ৫৪২১ Tamil ௫௪௨௧ Thai ๕๔๒๑ Tibetan ༥༤༢༡ Khmer ៥៤២១ Lao ໕໔໒໑ Burmese ၅၄၂၁

Digit at this position in famous constants

π — Pi (π): Digit 5,421 = 3
e — Euler's number (e): Digit 5,421 = 5
φ — Golden ratio (φ): Digit 5,421 = 8
√2 — Pythagoras's (√2): Digit 5,421 = 2
ln 2 — Natural log of 2: Digit 5,421 = 0
γ — Euler-Mascheroni (γ): Digit 5,421 = 8

Also seen as

Unicode codepoint

ᔭ

Canadian Syllabics Ya

U+152D

Other letter (Lo)

UTF-8 encoding: E1 94 AD (3 bytes).

Lookup U+152D on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00152D

RGB(0, 21, 45)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.21.45.

Address: 0.0.21.45
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.21.45

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

Musical pitch

Heard as a frequency, 5,421 Hz is closest to:

Concert pitch (A4 = 440 Hz): E8 (5274 Hz, +48¢ — about midway to F8)
Scientific pitch (C4 = 256 Hz): F8 (5467.5 Hz, -15¢)
Baroque pitch (A4 = 415 Hz): F8 (5270.2 Hz, +49¢ — about midway to F♯8)

Position in π

The digit sequence 5421 first appears in π at position 19,292 of the decimal expansion (the 19,292ordinal-suffix:nd 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 5421 on Pi Search ↗