Live analysis

142,155

142,155 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.).

142,155 (one hundred forty-two thousand one hundred fifty-five) is an odd 6-digit number. It is a composite number with 32 divisors, and factors as 3⁷ × 5 × 13. Written other ways, in hexadecimal, 0x22B4B.

Arithmetic Number Deficient Number Frugal Number Gapful Number Odious Number Recamán's Sequence

Interestingness

★ ★ ☆ ☆ ☆

4 notable facts · grade D

142,143 142,144 142,145 142,146 142,147 142,148 142,149 142,150 142,151 142,152 142,153 142,154 142,155 142,156 142,157 142,158 142,159 142,160 142,161 142,162 142,163 142,164 142,165 142,166 142,167

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 18
Digit product: 200
Digital root: 9
Palindrome: No
Bit width: 18 bits
Reversed: 551,241
Recamán's sequence: a(39,622) = 142,155
Square (n²): 20,208,044,025
Cube (n³): 2,872,674,498,373,875
Divisor count: 32
σ(n) — sum of divisors: 275,520
φ(n) — Euler's totient: 69,984
Sum of prime factors: 39

Primality

Prime factorization: 3 ⁷ × 5 × 13

Nearest primes: 142,151 (−4) · 142,157 (+2)

Divisors & multiples

All divisors (32)

1 · 3 · 5 · 9 · 13 · 15 · 27 · 39 · 45 · 65 · 81 · 117 · 135 · 195 · 243 · 351 · 405 · 585 · 729 · 1053 · 1215 · 1755 · 2187 · 3159 · 3645 · 5265 · 9477 · 10935 · 15795 · 28431 · 47385 · 142155

Aliquot sum (sum of proper divisors): 133,365

Factor pairs (a × b = 142,155)

1 × 142155

3 × 47385

5 × 28431

9 × 15795

13 × 10935

15 × 9477

27 × 5265

39 × 3645

45 × 3159

65 × 2187

81 × 1755

117 × 1215

135 × 1053

195 × 729

243 × 585

351 × 405

First multiples

142,155 · 284,310 (double) · 426,465 · 568,620 · 710,775 · 852,930 · 995,085 · 1,137,240 · 1,279,395 · 1,421,550

Sums & aliquot sequence

As consecutive integers: 71,077 + 71,078 47,384 + 47,385 + 47,386 28,429 + 28,430 + 28,431 + 28,432 + 28,433 23,690 + 23,691 + 23,692 + 23,693 + 23,694 + 23,695

Aliquot sequence: 142,155 → 133,365 → 93,003 → 35,397 → 22,683 → 7,565 → 2,155 → 437 → 43 → 1 → 0 — terminates at zero

Continued fraction of √n

√142,155 = [377; (29, 754)]

Period length 2 — the block in parentheses repeats forever.

Representations

In words: one hundred forty-two thousand one hundred fifty-five
Ordinal: 142155th
Binary: 100010101101001011
Octal: 425513
Hexadecimal: 0x22B4B
Base64: AitL
One's complement: 4,294,825,140 (32-bit)
Scientific notation: 1.42155 × 10⁵
As a duration: 142,155 s = 1 day, 15 hours, 29 minutes, 15 seconds

In other bases

ternary (3) 21020000000

quaternary (4) 202231023

quinary (5) 14022110

senary (6) 3014043

septenary (7) 1131306

nonary (9) 236000

undecimal (11) 97892

duodecimal (12) 6a323

tridecimal (13) 4c920

tetradecimal (14) 39b3d

pentadecimal (15) 2c1c0

As an angle

142,155° = 394 × 360° + 315°

315° ≈ 5.498 rad

Compass bearing: NW (northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵ρμβρνεʹ
Mayan (base 20): 𝋱·𝋯·𝋧·𝋯
Chinese: 一十四萬二千一百五十五
Chinese (financial): 壹拾肆萬貳仟壹佰伍拾伍

In other modern scripts

Eastern Arabic ١٤٢١٥٥ Devanagari १४२१५५ Bengali ১৪২১৫৫ Tamil ௧௪௨௧௫௫ Thai ๑๔๒๑๕๕ Tibetan ༡༤༢༡༥༥ Khmer ១៤២១៥៥ Lao ໑໔໒໑໕໕ Burmese ၁၄၂၁၅၅

Also seen as

Unicode codepoint

𢭋

CJK Unified Ideograph-22B4B

U+22B4B

Other letter (Lo)

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

Lookup U+22B4B on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#022B4B

RGB(2, 43, 75)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.75.

Address: 0.2.43.75
Class: reserved
IPv4-mapped IPv6: ::ffff:0.2.43.75

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 142,155 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 US142,155 on Google Patents ↗ Look up on USPTO ↗