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Number

55,871

55,871 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Odious Number Pernicious Number Prime Recamán's Sequence Self Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
26
Digit product
1,400
Digital root
8
Palindrome
No
Bit width
16 bits
Reversed
17,855
Recamán's sequence
a(292,078) = 55,871
Square (n²)
3,121,568,641
Cube (n³)
174,405,161,541,311
Divisor count
2
σ(n) — sum of divisors
55,872
φ(n) — Euler's totient
55,870

Primality

55,871 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55871
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,871)
1 × 55871
First multiples
55,871 · 111,742 (double) · 167,613 · 223,484 · 279,355 · 335,226 · 391,097 · 446,968 · 502,839 · 558,710

Sums & aliquot sequence

As consecutive integers: 27,935 + 27,936

Representations

In words
fifty-five thousand eight hundred seventy-one
Ordinal
55871st
Binary
1101101000111111
Octal
155077
Hexadecimal
0xDA3F
Base64
2j8=
One's complement
9,664 (16-bit)
In other bases
ternary (3) 2211122022
quaternary (4) 31220333
quinary (5) 3241441
senary (6) 1110355
septenary (7) 321614
nonary (9) 84568
undecimal (11) 38a82
duodecimal (12) 283bb
tridecimal (13) 1c57a
tetradecimal (14) 1650b
pentadecimal (15) 1184b

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵νεωοαʹ
Mayan (base 20)
𝋦·𝋳·𝋭·𝋫
Chinese
五萬五千八百七十一
Chinese (financial)
伍萬伍仟捌佰柒拾壹
In other modern scripts
Eastern Arabic ٥٥٨٧١ Devanagari ५५८७१ Bengali ৫৫৮৭১ Tamil ௫௫௮௭௧ Thai ๕๕๘๗๑ Tibetan ༥༥༨༧༡ Khmer ៥៥៨៧១ Lao ໕໕໘໗໑ Burmese ၅၅၈၇၁

Digit at this position in famous constants

π — Pi (π)
Digit 55,871 = 2
e — Euler's number (e)
Digit 55,871 = 8
φ — Golden ratio (φ)
Digit 55,871 = 5
√2 — Pythagoras's (√2)
Digit 55,871 = 9
ln 2 — Natural log of 2
Digit 55,871 = 3
γ — Euler-Mascheroni (γ)
Digit 55,871 = 5

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,849 (gap of 22)
  • Next prime: 55,889 (gap of 18)
Hex color
#00DA3F
RGB(0, 218, 63)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.218.63.

Address
0.0.218.63
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.218.63

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

Position in π

The digit sequence 55871 first appears in π at position 22,096 of the decimal expansion (the 22,096ordinal-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.