Live analysis

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.).

42,189 (forty-two thousand one hundred eighty-nine) is an odd 5-digit number. It is a composite number with 16 divisors, and factors as 3 × 7³ × 41. Written other ways, in hexadecimal, 0xA4CD.

Arithmetic Number Deficient Number Evil Number Gapful Number Recamán's Sequence

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

42,177 42,178 42,179 42,180 42,181 42,182 42,183 42,184 42,185 42,186 42,187 42,188 42,189 42,190 42,191 42,192 42,193 42,194 42,195 42,196 42,197 42,198 42,199 42,200 42,201

less more

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

Continued fraction of √n

√42,189 = [205; (2, 1, 1, 102, 10, 102, 1, 1, 2, 410)]

Period length 10 — the block in parentheses repeats forever.

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)
Scientific notation: 4.2189 × 10⁴
As a duration: 42,189 s = 11 hours, 43 minutes, 9 seconds

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

As an angle

42,189° = 117 × 360° + 69°

69° ≈ 1.204 rad

Compass bearing: ENE (east-northeast)

Why does a circle have 360 degrees? →

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.

Look up 42189 on Pi Search ↗