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42,057

42,057 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

Properties

Parity
Odd
Digit count
5
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
16 bits
Reversed
75,024
Recamán's sequence
a(151,509) = 42,057
Square (n²)
1,768,791,249
Cube (n³)
74,390,053,559,193
Divisor count
6
σ(n) — sum of divisors
60,762
φ(n) — Euler's totient
28,032
Sum of prime factors
4,679

Primality

Prime factorization: 3 2 × 4673

Nearest primes: 42,043 (−14) · 42,061 (+4)

Divisors & multiples

All divisors (6)
1 · 3 · 9 · 4673 · 14019 · 42057
Aliquot sum (sum of proper divisors): 18,705
Factor pairs (a × b = 42,057)
1 × 42057
3 × 14019
9 × 4673
First multiples
42,057 · 84,114 (double) · 126,171 · 168,228 · 210,285 · 252,342 · 294,399 · 336,456 · 378,513 · 420,570

Sums & aliquot sequence

As a sum of two squares: 21² + 204²
As consecutive integers: 21,028 + 21,029 14,018 + 14,019 + 14,020 7,007 + 7,008 + 7,009 + 7,010 + 7,011 + 7,012 4,669 + 4,670 + … + 4,677
Aliquot sequence: 42,057 18,705 12,975 8,601 3,303 1,481 1 0 — terminates at zero

Representations

In words
forty-two thousand fifty-seven
Ordinal
42057th
Binary
1010010001001001
Octal
122111
Hexadecimal
0xA449
Base64
pEk=
One's complement
23,478 (16-bit)
In other bases
ternary (3) 2010200200
quaternary (4) 22101021
quinary (5) 2321212
senary (6) 522413
septenary (7) 233421
nonary (9) 63620
undecimal (11) 29664
duodecimal (12) 20409
tridecimal (13) 161b2
tetradecimal (14) 11481
pentadecimal (15) c6dc

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβνζʹ
Mayan (base 20)
𝋥·𝋥·𝋢·𝋱
Chinese
四萬二千零五十七
Chinese (financial)
肆萬貳仟零伍拾柒
In other modern scripts
Eastern Arabic ٤٢٠٥٧ Devanagari ४२०५७ Bengali ৪২০৫৭ Tamil ௪௨௦௫௭ Thai ๔๒๐๕๗ Tibetan ༤༢༠༥༧ Khmer ៤២០៥៧ Lao ໔໒໐໕໗ Burmese ၄၂၀၅၇

Digit at this position in famous constants

π — Pi (π)
Digit 42,057 = 2
e — Euler's number (e)
Digit 42,057 = 7
φ — Golden ratio (φ)
Digit 42,057 = 1
√2 — Pythagoras's (√2)
Digit 42,057 = 9
ln 2 — Natural log of 2
Digit 42,057 = 7
γ — Euler-Mascheroni (γ)
Digit 42,057 = 4

Also seen as

Unicode codepoint
Yi Syllable Njyr
U+A449
Other letter (Lo)

UTF-8 encoding: EA 91 89 (3 bytes).

Hex color
#00A449
RGB(0, 164, 73)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.73.

Address
0.0.164.73
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.73

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

Position in π

The digit sequence 42057 first appears in π at position 40,137 of the decimal expansion (the 40,137ordinal-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.