Live analysis

142,143

142,143 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.).

142,143 (one hundred forty-two thousand one hundred forty-three) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 3 × 47,381. Written other ways, in hexadecimal, 0x22B3F.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Recamán's Sequence Semiprime Squarefree

Interestingness

★ ★ ★ ☆ ☆

5 notable facts · grade C

142,131 142,132 142,133 142,134 142,135 142,136 142,137 142,138 142,139 142,140 142,141 142,142 142,143 142,144 142,145 142,146 142,147 142,148 142,149 142,150 142,151 142,152 142,153 142,154 142,155

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 15
Digit product: 96
Digital root: 6
Palindrome: No
Bit width: 18 bits
Reversed: 341,241
Recamán's sequence: a(39,598) = 142,143
Square (n²): 20,204,632,449
Cube (n³): 2,871,947,070,198,207
Divisor count: 4
σ(n) — sum of divisors: 189,528
φ(n) — Euler's totient: 94,760
Sum of prime factors: 47,384

Primality

Prime factorization: 3 × 47381

Nearest primes: 142,123 (−20) · 142,151 (+8)

Divisors & multiples

All divisors (4)

1 · 3 · 47381 · 142143

Aliquot sum (sum of proper divisors): 47,385

Factor pairs (a × b = 142,143)

1 × 142143

3 × 47381

First multiples

142,143 · 284,286 (double) · 426,429 · 568,572 · 710,715 · 852,858 · 995,001 · 1,137,144 · 1,279,287 · 1,421,430

Sums & aliquot sequence

As consecutive integers: 71,071 + 71,072 47,380 + 47,381 + 47,382 23,688 + 23,689 + 23,690 + 23,691 + 23,692 + 23,693

Aliquot sequence: 142,143 → 47,385 → 44,427 → 16,053 → 5,355 → 5,877 → 2,625 → 2,367 → 1,065 → 663 → 345 → 231 → 153 → 81 → 40 → 50 → 43 — unresolved within range

Continued fraction of √n

√142,143 = [377; (53, 1, 6, 15, 4, 12, 1, 57, 12, 1, 3, 4, 1, 1, 4, 1, 2, 1, 1, 2, 1, 3, 5, 2, …)]

Representations

In words: one hundred forty-two thousand one hundred forty-three
Ordinal: 142143rd
Binary: 100010101100111111
Octal: 425477
Hexadecimal: 0x22B3F
Base64: Ais/
One's complement: 4,294,825,152 (32-bit)
Scientific notation: 1.42143 × 10⁵
As a duration: 142,143 s = 1 day, 15 hours, 29 minutes, 3 seconds

In other bases

ternary (3) 21012222120

quaternary (4) 202230333

quinary (5) 14022033

senary (6) 3014023

septenary (7) 1131261

nonary (9) 235876

undecimal (11) 97881

duodecimal (12) 6a313

tridecimal (13) 4c911

tetradecimal (14) 39b31

pentadecimal (15) 2c1b3

As an angle

142,143° = 394 × 360° + 303°

303° ≈ 5.288 rad

Compass bearing: WNW (west-northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian): ͵ρμβρμγʹ
Mayan (base 20): 𝋱·𝋯·𝋧·𝋣
Chinese: 一十四萬二千一百四十三
Chinese (financial): 壹拾肆萬貳仟壹佰肆拾參

In other modern scripts

Eastern Arabic ١٤٢١٤٣ Devanagari १४२१४३ Bengali ১৪২১৪৩ Tamil ௧௪௨௧௪௩ Thai ๑๔๒๑๔๓ Tibetan ༡༤༢༡༤༣ Khmer ១៤២១៤៣ Lao ໑໔໒໑໔໓ Burmese ၁၄၂၁၄၃

Also seen as

Unicode codepoint

𢬿

CJK Unified Ideograph-22B3F

U+22B3F

Other letter (Lo)

UTF-8 encoding: F0 A2 AC BF (4 bytes).

Lookup U+22B3F on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#022B3F

RGB(2, 43, 63)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.63.

Address: 0.2.43.63
Class: reserved
IPv4-mapped IPv6: ::ffff:0.2.43.63

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

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 142,143 and was likely granted around 1872.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Look up US142,143 on Google Patents ↗ Look up on USPTO ↗