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42,189

42,189 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 Gapful Number Recamán's Sequence

Properties

Parity
Odd
Digit count
5
Digit sum
24
Digit product
576
Digital root
6
Palindrome
No
Bit width
16 bits
Reversed
98,124
Recamán's sequence
a(151,245) = 42,189
Square (n²)
1,779,911,721
Cube (n³)
75,092,695,597,269
Divisor count
16
σ(n) — sum of divisors
67,200
φ(n) — Euler's totient
23,520
Sum of prime factors
65

Primality

Prime factorization: 3 × 7 3 × 41

Nearest primes: 42,187 (−2) · 42,193 (+4)

Divisors & multiples

All divisors (16)
1 · 3 · 7 · 21 · 41 · 49 · 123 · 147 · 287 · 343 · 861 · 1029 · 2009 · 6027 · 14063 · 42189
Aliquot sum (sum of proper divisors): 25,011
Factor pairs (a × b = 42,189)
1 × 42189
3 × 14063
7 × 6027
21 × 2009
41 × 1029
49 × 861
123 × 343
147 × 287
First multiples
42,189 · 84,378 (double) · 126,567 · 168,756 · 210,945 · 253,134 · 295,323 · 337,512 · 379,701 · 421,890

Sums & aliquot sequence

As consecutive integers: 21,094 + 21,095 14,062 + 14,063 + 14,064 7,029 + 7,030 + 7,031 + 7,032 + 7,033 + 7,034 6,024 + 6,025 + … + 6,030
Aliquot sequence: 42,189 25,011 16,381 1 0 — terminates at zero

Representations

In words
forty-two thousand one hundred eighty-nine
Ordinal
42189th
Binary
1010010011001101
Octal
122315
Hexadecimal
0xA4CD
Base64
pM0=
One's complement
23,346 (16-bit)
In other bases
ternary (3) 2010212120
quaternary (4) 22103031
quinary (5) 2322224
senary (6) 523153
septenary (7) 234000
nonary (9) 63776
undecimal (11) 29774
duodecimal (12) 204b9
tridecimal (13) 16284
tetradecimal (14) 11537
pentadecimal (15) c779

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβρπθʹ
Mayan (base 20)
𝋥·𝋥·𝋩·𝋩
Chinese
四萬二千一百八十九
Chinese (financial)
肆萬貳仟壹佰捌拾玖
In other modern scripts
Eastern Arabic ٤٢١٨٩ Devanagari ४२१८९ Bengali ৪২১৮৯ Tamil ௪௨௧௮௯ Thai ๔๒๑๘๙ Tibetan ༤༢༡༨༩ Khmer ៤២១៨៩ Lao ໔໒໑໘໙ Burmese ၄၂၁၈၉

Digit at this position in famous constants

π — Pi (π)
Digit 42,189 = 4
e — Euler's number (e)
Digit 42,189 = 0
φ — Golden ratio (φ)
Digit 42,189 = 0
√2 — Pythagoras's (√2)
Digit 42,189 = 9
ln 2 — Natural log of 2
Digit 42,189 = 7
γ — Euler-Mascheroni (γ)
Digit 42,189 = 6

Also seen as

Hex color
#00A4CD
RGB(0, 164, 205)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.205.

Address
0.0.164.205
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.205

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

Position in π

The digit sequence 42189 first appears in π at position 209,374 of the decimal expansion (the 209,374ordinal-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.