Number

5,521

5,521 is a prime, odd.

Arithmetic Number Deficient Number Evil Number Prime Pythagorean Prime Recamán's Sequence Sexy Prime Squarefree Twin Prime

Properties

Parity: Odd
Digit count: 4
Digit sum: 13
Digit product: 50
Digital root: 4
Palindrome: No
Bit width: 13 bits
Reversed: 1,255
Recamán's sequence: a(2,786) = 5,521
Square (n²): 30,481,441
Cube (n³): 168,288,035,761
Divisor count: 2
σ(n) — sum of divisors: 5,522
φ(n) — Euler's totient: 5,520

Primality

5,521 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 5521

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 5,521)

1 × 5521

First multiples

5,521 · 11,042 (double) · 16,563 · 22,084 · 27,605 · 33,126 · 38,647 · 44,168 · 49,689 · 55,210

Sums & aliquot sequence

As a sum of two squares: 36² + 65²

As consecutive integers: 2,760 + 2,761

Representations

In words: five thousand five hundred twenty-one
Ordinal: 5521st
Binary: 1010110010001
Octal: 12621
Hexadecimal: 0x1591
Base64: FZE=
One's complement: 60,014 (16-bit)

In other bases

ternary (3) 21120111

quaternary (4) 1112101

quinary (5) 134041

senary (6) 41321

septenary (7) 22045

nonary (9) 7514

undecimal (11) 416a

duodecimal (12) 3241

tridecimal (13) 2689

tetradecimal (14) 2025

pentadecimal (15) 1981

Historical numeral systems

Babylonian (base 60): 𒁹 𒌋𒌋𒌋𒁹𒁹 𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian): ͵εφκαʹ
Mayan (base 20): 𝋭·𝋰·𝋡
Chinese: 五千五百二十一
Chinese (financial): 伍仟伍佰貳拾壹

In other modern scripts

Eastern Arabic ٥٥٢١ Devanagari ५५२१ Bengali ৫৫২১ Tamil ௫௫௨௧ Thai ๕๕๒๑ Tibetan ༥༥༢༡ Khmer ៥៥២១ Lao ໕໕໒໑ Burmese ၅၅၂၁

Digit at this position in famous constants

π — Pi (π): Digit 5,521 = 0
e — Euler's number (e): Digit 5,521 = 8
φ — Golden ratio (φ): Digit 5,521 = 3
√2 — Pythagoras's (√2): Digit 5,521 = 7
ln 2 — Natural log of 2: Digit 5,521 = 7
γ — Euler-Mascheroni (γ): Digit 5,521 = 9

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 5,519 (gap of 2)
Next prime: 5,527 (gap of 6)

Pair status: twin with 5519, sexy with 5527.

Unicode codepoint

ᖑ

Canadian Syllabics Ngo

U+1591

Other letter (Lo)

UTF-8 encoding: E1 96 91 (3 bytes).

Lookup U+1591 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#001591

RGB(0, 21, 145)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.21.145.

Address: 0.0.21.145
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.21.145

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

Position in π

The digit sequence 5521 first appears in π at position 1,663 of the decimal expansion (the 1,663ordinal-suffix:rd 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 5521 on Pi Search ↗