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42,439

42,439 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 Recamán's Sequence

Properties

Parity
Odd
Digit count
5
Digit sum
22
Digit product
864
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
93,424
Recamán's sequence
a(150,745) = 42,439
Square (n²)
1,801,068,721
Cube (n³)
76,435,555,450,519
Divisor count
6
σ(n) — sum of divisors
45,024
φ(n) — Euler's totient
39,960
Sum of prime factors
105

Primality

Prime factorization: 31 × 37 2

Nearest primes: 42,437 (−2) · 42,443 (+4)

Divisors & multiples

All divisors (6)
1 · 31 · 37 · 1147 · 1369 · 42439
Aliquot sum (sum of proper divisors): 2,585
Factor pairs (a × b = 42,439)
1 × 42439
31 × 1369
37 × 1147
First multiples
42,439 · 84,878 (double) · 127,317 · 169,756 · 212,195 · 254,634 · 297,073 · 339,512 · 381,951 · 424,390

Sums & aliquot sequence

As consecutive integers: 21,219 + 21,220 1,354 + 1,355 + … + 1,384 1,129 + 1,130 + … + 1,165 654 + 655 + … + 715
Aliquot sequence: 42,439 2,585 871 81 40 50 43 1 0 — terminates at zero

Representations

In words
forty-two thousand four hundred thirty-nine
Ordinal
42439th
Binary
1010010111000111
Octal
122707
Hexadecimal
0xA5C7
Base64
pcc=
One's complement
23,096 (16-bit)
In other bases
ternary (3) 2011012211
quaternary (4) 22113013
quinary (5) 2324224
senary (6) 524251
septenary (7) 234505
nonary (9) 64184
undecimal (11) 29981
duodecimal (12) 20687
tridecimal (13) 16417
tetradecimal (14) 11675
pentadecimal (15) c894

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβυλθʹ
Mayan (base 20)
𝋥·𝋦·𝋡·𝋳
Chinese
四萬二千四百三十九
Chinese (financial)
肆萬貳仟肆佰參拾玖
In other modern scripts
Eastern Arabic ٤٢٤٣٩ Devanagari ४२४३९ Bengali ৪২৪৩৯ Tamil ௪௨௪௩௯ Thai ๔๒๔๓๙ Tibetan ༤༢༤༣༩ Khmer ៤២៤៣៩ Lao ໔໒໔໓໙ Burmese ၄၂၄၃၉

Digit at this position in famous constants

π — Pi (π)
Digit 42,439 = 3
e — Euler's number (e)
Digit 42,439 = 1
φ — Golden ratio (φ)
Digit 42,439 = 9
√2 — Pythagoras's (√2)
Digit 42,439 = 2
ln 2 — Natural log of 2
Digit 42,439 = 9
γ — Euler-Mascheroni (γ)
Digit 42,439 = 1

Also seen as

Unicode codepoint
Vai Syllable Gbo
U+A5C7
Other letter (Lo)

UTF-8 encoding: EA 97 87 (3 bytes).

Hex color
#00A5C7
RGB(0, 165, 199)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.165.199.

Address
0.0.165.199
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.165.199

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

Position in π

The digit sequence 42439 first appears in π at position 12,188 of the decimal expansion (the 12,188ordinal-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.