Number

5,531

5,531 is a prime, odd.

Arithmetic Number Chen Prime Cousin Prime Deficient Number Evil Number Prime Recamán's Sequence Squarefree

Properties

Parity: Odd
Digit count: 4
Digit sum: 14
Digit product: 75
Digital root: 5
Palindrome: No
Bit width: 13 bits
Reversed: 1,355
Recamán's sequence: a(2,806) = 5,531
Square (n²): 30,591,961
Cube (n³): 169,204,136,291
Divisor count: 2
σ(n) — sum of divisors: 5,532
φ(n) — Euler's totient: 5,530

Primality

5,531 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 5531

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 5,531)

1 × 5531

First multiples

5,531 · 11,062 (double) · 16,593 · 22,124 · 27,655 · 33,186 · 38,717 · 44,248 · 49,779 · 55,310

Sums & aliquot sequence

As consecutive integers: 2,765 + 2,766

Representations

In words: five thousand five hundred thirty-one
Ordinal: 5531st
Binary: 1010110011011
Octal: 12633
Hexadecimal: 0x159B
Base64: FZs=
One's complement: 60,004 (16-bit)

In other bases

ternary (3) 21120212

quaternary (4) 1112123

quinary (5) 134111

senary (6) 41335

septenary (7) 22061

nonary (9) 7525

undecimal (11) 4179

duodecimal (12) 324b

tridecimal (13) 2696

tetradecimal (14) 2031

pentadecimal (15) 198b

Historical numeral systems

Babylonian (base 60): 𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺
Greek (Milesian): ͵εφλαʹ
Mayan (base 20): 𝋭·𝋰·𝋫
Chinese: 五千五百三十一
Chinese (financial): 伍仟伍佰參拾壹

In other modern scripts

Eastern Arabic ٥٥٣١ Devanagari ५५३१ Bengali ৫৫৩১ Tamil ௫௫௩௧ Thai ๕๕๓๑ Tibetan ༥༥༣༡ Khmer ៥៥៣១ Lao ໕໕໓໑ Burmese ၅၅၃၁

Digit at this position in famous constants

π — Pi (π): Digit 5,531 = 7
e — Euler's number (e): Digit 5,531 = 2
φ — Golden ratio (φ): Digit 5,531 = 8
√2 — Pythagoras's (√2): Digit 5,531 = 1
ln 2 — Natural log of 2: Digit 5,531 = 4
γ — Euler-Mascheroni (γ): Digit 5,531 = 7

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 5,527 (gap of 4)
Next prime: 5,557 (gap of 26)

Pair status: cousin with 5527.

Unicode codepoint

ᖛ

Canadian Syllabics Woods-Cree The

U+159B

Other letter (Lo)

UTF-8 encoding: E1 96 9B (3 bytes).

Lookup U+159B on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00159B

RGB(0, 21, 155)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.21.155.

Address: 0.0.21.155
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.21.155

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

Position in π

The digit sequence 5531 first appears in π at position 17,193 of the decimal expansion (the 17,193ordinal-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 5531 on Pi Search ↗