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42,087

42,087 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 Evil Number Happy Number Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
21
Digit product
0
Digital root
3
Palindrome
No
Bit width
16 bits
Reversed
78,024
Recamán's sequence
a(151,449) = 42,087
Square (n²)
1,771,315,569
Cube (n³)
74,549,358,352,503
Divisor count
4
σ(n) — sum of divisors
56,120
φ(n) — Euler's totient
28,056
Sum of prime factors
14,032

Primality

Prime factorization: 3 × 14029

Nearest primes: 42,083 (−4) · 42,089 (+2)

Divisors & multiples

All divisors (4)
1 · 3 · 14029 · 42087
Aliquot sum (sum of proper divisors): 14,033
Factor pairs (a × b = 42,087)
1 × 42087
3 × 14029
First multiples
42,087 · 84,174 (double) · 126,261 · 168,348 · 210,435 · 252,522 · 294,609 · 336,696 · 378,783 · 420,870

Sums & aliquot sequence

As consecutive integers: 21,043 + 21,044 14,028 + 14,029 + 14,030 7,012 + 7,013 + 7,014 + 7,015 + 7,016 + 7,017
Aliquot sequence: 42,087 14,033 1 0 — terminates at zero

Representations

In words
forty-two thousand eighty-seven
Ordinal
42087th
Binary
1010010001100111
Octal
122147
Hexadecimal
0xA467
Base64
pGc=
One's complement
23,448 (16-bit)
In other bases
ternary (3) 2010201210
quaternary (4) 22101213
quinary (5) 2321322
senary (6) 522503
septenary (7) 233463
nonary (9) 63653
undecimal (11) 29691
duodecimal (12) 20433
tridecimal (13) 16206
tetradecimal (14) 114a3
pentadecimal (15) c70c

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβπζʹ
Mayan (base 20)
𝋥·𝋥·𝋤·𝋧
Chinese
四萬二千零八十七
Chinese (financial)
肆萬貳仟零捌拾柒
In other modern scripts
Eastern Arabic ٤٢٠٨٧ Devanagari ४२०८७ Bengali ৪২০৮৭ Tamil ௪௨௦௮௭ Thai ๔๒๐๘๗ Tibetan ༤༢༠༨༧ Khmer ៤២០៨៧ Lao ໔໒໐໘໗ Burmese ၄၂၀၈၇

Digit at this position in famous constants

π — Pi (π)
Digit 42,087 = 9
e — Euler's number (e)
Digit 42,087 = 0
φ — Golden ratio (φ)
Digit 42,087 = 2
√2 — Pythagoras's (√2)
Digit 42,087 = 3
ln 2 — Natural log of 2
Digit 42,087 = 9
γ — Euler-Mascheroni (γ)
Digit 42,087 = 0

Also seen as

Unicode codepoint
Yi Syllable Xot
U+A467
Other letter (Lo)

UTF-8 encoding: EA 91 A7 (3 bytes).

Hex color
#00A467
RGB(0, 164, 103)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.103.

Address
0.0.164.103
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.103

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

Position in π

The digit sequence 42087 first appears in π at position 27,254 of the decimal expansion (the 27,254ordinal-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.