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42,871

42,871 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.).
Arithmetic Number Deficient Number Odious Number Pernicious Number Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
22
Digit product
448
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
17,824
Recamán's sequence
a(72,850) = 42,871
Square (n²)
1,837,922,641
Cube (n³)
78,793,581,542,311
Divisor count
4
σ(n) — sum of divisors
43,912
φ(n) — Euler's totient
41,832
Sum of prime factors
1,040

Primality

Prime factorization: 43 × 997

Nearest primes: 42,863 (−8) · 42,899 (+28)

Divisors & multiples

All divisors (4)
1 · 43 · 997 · 42871
Aliquot sum (sum of proper divisors): 1,041
Factor pairs (a × b = 42,871)
1 × 42871
43 × 997
First multiples
42,871 · 85,742 (double) · 128,613 · 171,484 · 214,355 · 257,226 · 300,097 · 342,968 · 385,839 · 428,710

Sums & aliquot sequence

As consecutive integers: 21,435 + 21,436 976 + 977 + … + 1,018 456 + 457 + … + 541
Aliquot sequence: 42,871 1,041 351 209 31 1 0 — terminates at zero

Representations

In words
forty-two thousand eight hundred seventy-one
Ordinal
42871st
Binary
1010011101110111
Octal
123567
Hexadecimal
0xA777
Base64
p3c=
One's complement
22,664 (16-bit)
In other bases
ternary (3) 2011210211
quaternary (4) 22131313
quinary (5) 2332441
senary (6) 530251
septenary (7) 235663
nonary (9) 64724
undecimal (11) 2a234
duodecimal (12) 20987
tridecimal (13) 1668a
tetradecimal (14) 118a3
pentadecimal (15) ca81

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵μβωοαʹ
Mayan (base 20)
𝋥·𝋧·𝋣·𝋫
Chinese
四萬二千八百七十一
Chinese (financial)
肆萬貳仟捌佰柒拾壹
In other modern scripts
Eastern Arabic ٤٢٨٧١ Devanagari ४२८७१ Bengali ৪২৮৭১ Tamil ௪௨௮௭௧ Thai ๔๒๘๗๑ Tibetan ༤༢༨༧༡ Khmer ៤២៨៧១ Lao ໔໒໘໗໑ Burmese ၄၂၈၇၁

Digit at this position in famous constants

π — Pi (π)
Digit 42,871 = 8
e — Euler's number (e)
Digit 42,871 = 6
φ — Golden ratio (φ)
Digit 42,871 = 1
√2 — Pythagoras's (√2)
Digit 42,871 = 1
ln 2 — Natural log of 2
Digit 42,871 = 8
γ — Euler-Mascheroni (γ)
Digit 42,871 = 6

Also seen as

Unicode codepoint
Latin Small Letter Tum
U+A777
Lowercase letter (Ll)

UTF-8 encoding: EA 9D B7 (3 bytes).

Hex color
#00A777
RGB(0, 167, 119)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.167.119.

Address
0.0.167.119
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.167.119

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

Position in π

The digit sequence 42871 first appears in π at position 28,053 of the decimal expansion (the 28,053ordinal-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.