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42,051

42,051 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 Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
12
Digit product
0
Digital root
3
Palindrome
No
Bit width
16 bits
Reversed
15,024
Recamán's sequence
a(151,521) = 42,051
Square (n²)
1,768,286,601
Cube (n³)
74,358,219,858,651
Divisor count
8
σ(n) — sum of divisors
57,024
φ(n) — Euler's totient
27,560
Sum of prime factors
241

Primality

Prime factorization: 3 × 107 × 131

Nearest primes: 42,043 (−8) · 42,061 (+10)

Divisors & multiples

All divisors (8)
1 · 3 · 107 · 131 · 321 · 393 · 14017 · 42051
Aliquot sum (sum of proper divisors): 14,973
Factor pairs (a × b = 42,051)
1 × 42051
3 × 14017
107 × 393
131 × 321
First multiples
42,051 · 84,102 (double) · 126,153 · 168,204 · 210,255 · 252,306 · 294,357 · 336,408 · 378,459 · 420,510

Sums & aliquot sequence

As consecutive integers: 21,025 + 21,026 14,016 + 14,017 + 14,018 7,006 + 7,007 + 7,008 + 7,009 + 7,010 + 7,011 340 + 341 + … + 446
Aliquot sequence: 42,051 14,973 9,603 5,685 3,435 2,085 1,275 957 483 285 195 141 51 21 11 1 0 — terminates at zero

Representations

In words
forty-two thousand fifty-one
Ordinal
42051st
Binary
1010010001000011
Octal
122103
Hexadecimal
0xA443
Base64
pEM=
One's complement
23,484 (16-bit)
In other bases
ternary (3) 2010200110
quaternary (4) 22101003
quinary (5) 2321201
senary (6) 522403
septenary (7) 233412
nonary (9) 63613
undecimal (11) 29659
duodecimal (12) 20403
tridecimal (13) 161a9
tetradecimal (14) 11479
pentadecimal (15) c6d6

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵μβναʹ
Mayan (base 20)
𝋥·𝋥·𝋢·𝋫
Chinese
四萬二千零五十一
Chinese (financial)
肆萬貳仟零伍拾壹
In other modern scripts
Eastern Arabic ٤٢٠٥١ Devanagari ४२०५१ Bengali ৪২০৫১ Tamil ௪௨௦௫௧ Thai ๔๒๐๕๑ Tibetan ༤༢༠༥༡ Khmer ៤២០៥១ Lao ໔໒໐໕໑ Burmese ၄၂၀၅၁

Digit at this position in famous constants

π — Pi (π)
Digit 42,051 = 7
e — Euler's number (e)
Digit 42,051 = 7
φ — Golden ratio (φ)
Digit 42,051 = 1
√2 — Pythagoras's (√2)
Digit 42,051 = 2
ln 2 — Natural log of 2
Digit 42,051 = 4
γ — Euler-Mascheroni (γ)
Digit 42,051 = 1

Also seen as

Unicode codepoint
Yi Syllable Njur
U+A443
Other letter (Lo)

UTF-8 encoding: EA 91 83 (3 bytes).

Hex color
#00A443
RGB(0, 164, 67)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.67.

Address
0.0.164.67
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.67

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

Position in π

The digit sequence 42051 first appears in π at position 7,738 of the decimal expansion (the 7,738ordinal-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.