Live analysis

143,021

143,021 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.).

143,021 (one hundred forty-three thousand twenty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 17 × 47 × 179. Written other ways, in hexadecimal, 0x22EAD.

Arithmetic Number Cube-Free Deficient Number Evil Number Happy Number Recamán's Sequence Sphenic Number Squarefree

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

143,009 143,010 143,011 143,012 143,013 143,014 143,015 143,016 143,017 143,018 143,019 143,020 143,021 143,022 143,023 143,024 143,025 143,026 143,027 143,028 143,029 143,030 143,031 143,032 143,033

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 11
Digit product: 0
Digital root: 2
Palindrome: No
Bit width: 18 bits
Reversed: 120,341
Recamán's sequence: a(222,374) = 143,021
Square (n²): 20,455,006,441
Cube (n³): 2,925,495,476,198,261
Divisor count: 8
σ(n) — sum of divisors: 155,520
φ(n) — Euler's totient: 131,008
Sum of prime factors: 243

Primality

Prime factorization: 17 × 47 × 179

Nearest primes: 142,993 (−28) · 143,053 (+32)

Divisors & multiples

All divisors (8)

1 · 17 · 47 · 179 · 799 · 3043 · 8413 · 143021

Aliquot sum (sum of proper divisors): 12,499

Factor pairs (a × b = 143,021)

1 × 143021

17 × 8413

47 × 3043

179 × 799

First multiples

143,021 · 286,042 (double) · 429,063 · 572,084 · 715,105 · 858,126 · 1,001,147 · 1,144,168 · 1,287,189 · 1,430,210

Sums & aliquot sequence

As consecutive integers: 71,510 + 71,511 8,405 + 8,406 + … + 8,421 4,190 + 4,191 + … + 4,223 3,020 + 3,021 + … + 3,066

Aliquot sequence: 143,021 → 12,499 → 461 → 1 → 0 — terminates at zero

Continued fraction of √n

√143,021 = [378; (5, 1, 1, 12, 3, 1, 1, 1, 4, 1, 3, 3, 1, 3, 5, 7, 3, 2, 1, 7, 1, 3, 1, 188, …)]

Representations

In words: one hundred forty-three thousand twenty-one
Ordinal: 143021st
Binary: 100010111010101101
Octal: 427255
Hexadecimal: 0x22EAD
Base64: Ai6t
One's complement: 4,294,824,274 (32-bit)
Scientific notation: 1.43021 × 10⁵
As a duration: 143,021 s = 1 day, 15 hours, 43 minutes, 41 seconds

In other bases

ternary (3) 21021012002

quaternary (4) 202322231

quinary (5) 14034041

senary (6) 3022045

septenary (7) 1133654

nonary (9) 237162

undecimal (11) 984aa

duodecimal (12) 6a925

tridecimal (13) 50138

tetradecimal (14) 3a19b

pentadecimal (15) 2c59b

As an angle

143,021° = 397 × 360° + 101°

101° ≈ 1.763 rad

Compass bearing: E (east)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓎆𓎆𓏺
Greek (Milesian): ͵ρμγκαʹ
Mayan (base 20): 𝋱·𝋱·𝋫·𝋡
Chinese: 一十四萬三千零二十一
Chinese (financial): 壹拾肆萬參仟零貳拾壹

In other modern scripts

Eastern Arabic ١٤٣٠٢١ Devanagari १४३०२१ Bengali ১৪৩০২১ Tamil ௧௪௩௦௨௧ Thai ๑๔๓๐๒๑ Tibetan ༡༤༣༠༢༡ Khmer ១៤៣០២១ Lao ໑໔໓໐໒໑ Burmese ၁၄၃၀၂၁

Also seen as

Unicode codepoint

𢺭

CJK Unified Ideograph-22Ead

U+22EAD

Other letter (Lo)

UTF-8 encoding: F0 A2 BA AD (4 bytes).

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

Hex color

#022EAD

RGB(2, 46, 173)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.173.

Address: 0.2.46.173
Class: reserved
IPv4-mapped IPv6: ::ffff:0.2.46.173

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 143,021 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 US143,021 on Google Patents ↗ Look up on USPTO ↗