Live analysis

142,146

142,146 is a composite number, even.

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.).

142,146 (one hundred forty-two thousand one hundred forty-six) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2 × 3² × 53 × 149. Its proper divisors sum to 173,754, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22B42.

Abundant Number Cube-Free Harshad / Niven Odious Number Pernicious Number Recamán's Sequence Semiperfect Number

Interestingness

★ ★ ☆ ☆ ☆

4 notable facts · grade D

142,134 142,135 142,136 142,137 142,138 142,139 142,140 142,141 142,142 142,143 142,144 142,145 142,146 142,147 142,148 142,149 142,150 142,151 142,152 142,153 142,154 142,155 142,156 142,157 142,158

less more

Properties

Parity: Even
Digit count: 6
Digit sum: 18
Digit product: 192
Digital root: 9
Palindrome: No
Bit width: 18 bits
Reversed: 641,241
Recamán's sequence: a(39,604) = 142,146
Square (n²): 20,205,485,316
Cube (n³): 2,872,128,915,728,136
Divisor count: 24
σ(n) — sum of divisors: 315,900
φ(n) — Euler's totient: 46,176
Sum of prime factors: 210

Primality

Prime factorization: 2 × 3 ² × 53 × 149

Nearest primes: 142,123 (−23) · 142,151 (+5)

Divisors & multiples

All divisors (24)

1 · 2 · 3 · 6 · 9 · 18 · 53 · 106 · 149 · 159 · 298 · 318 · 447 · 477 · 894 · 954 · 1341 · 2682 · 7897 · 15794 · 23691 · 47382 · 71073 (half) · 142146

Aliquot sum (sum of proper divisors): 173,754

Factor pairs (a × b = 142,146)

1 × 142146

2 × 71073

3 × 47382

6 × 23691

9 × 15794

18 × 7897

53 × 2682

106 × 1341

149 × 954

159 × 894

298 × 477

318 × 447

First multiples

142,146 · 284,292 (double) · 426,438 · 568,584 · 710,730 · 852,876 · 995,022 · 1,137,168 · 1,279,314 · 1,421,460

Sums & aliquot sequence

As a sum of two squares: 39² + 375² = 165² + 339²

As consecutive integers: 47,381 + 47,382 + 47,383 35,535 + 35,536 + 35,537 + 35,538 15,790 + 15,791 + … + 15,798 11,840 + 11,841 + … + 11,851

Aliquot sequence: 142,146 → 173,754 → 266,400 → 698,382 → 875,538 → 1,041,390 → 2,414,610 → 4,694,382 → 8,323,218 → 9,710,460 → 20,188,500 → 40,159,788 → 53,546,412 → 76,687,188 → 102,414,252 → 136,552,364 → 138,546,964 — unresolved within range

Continued fraction of √n

√142,146 = [377; (44, 2, 1, 4, 1, 1, 1, 3, 1, 1, 1, 29, 1, 1, 11, 2, 5, 1, 6, 107, 1, 1, 2, 1, …)]

Representations

In words: one hundred forty-two thousand one hundred forty-six
Ordinal: 142146th
Binary: 100010101101000010
Octal: 425502
Hexadecimal: 0x22B42
Base64: AitC
One's complement: 4,294,825,149 (32-bit)
Scientific notation: 1.42146 × 10⁵
As a duration: 142,146 s = 1 day, 15 hours, 29 minutes, 6 seconds

In other bases

ternary (3) 21012222200

quaternary (4) 202231002

quinary (5) 14022041

senary (6) 3014030

septenary (7) 1131264

nonary (9) 235880

undecimal (11) 97884

duodecimal (12) 6a316

tridecimal (13) 4c914

tetradecimal (14) 39b34

pentadecimal (15) 2c1b6

Palindromic in base 5

As an angle

142,146° = 394 × 360° + 306°

306° ≈ 5.341 rad

Compass bearing: NW (northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵ρμβρμϛʹ
Mayan (base 20): 𝋱·𝋯·𝋧·𝋦
Chinese: 一十四萬二千一百四十六
Chinese (financial): 壹拾肆萬貳仟壹佰肆拾陸

In other modern scripts

Eastern Arabic ١٤٢١٤٦ Devanagari १४२१४६ Bengali ১৪২১৪৬ Tamil ௧௪௨௧௪௬ Thai ๑๔๒๑๔๖ Tibetan ༡༤༢༡༤༦ Khmer ១៤២១៤៦ Lao ໑໔໒໑໔໖ Burmese ၁၄၂၁၄၆

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142146, here are decompositions:

23 + 142123 = 142146
47 + 142099 = 142146
79 + 142067 = 142146
89 + 142057 = 142146
97 + 142049 = 142146
107 + 142039 = 142146
127 + 142019 = 142146
139 + 142007 = 142146

Showing the first eight; more decompositions exist.

Unicode codepoint

𢭂

CJK Unified Ideograph-22B42

U+22B42

Other letter (Lo)

UTF-8 encoding: F0 A2 AD 82 (4 bytes).

Lookup U+22B42 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#022B42

RGB(2, 43, 66)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.66.

Address: 0.2.43.66
Class: reserved
IPv4-mapped IPv6: ::ffff:0.2.43.66

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 142,146 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 US142,146 on Google Patents ↗ Look up on USPTO ↗