Live analysis

140,720

140,720 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.).

140,720 (one hundred forty thousand seven hundred twenty) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 5 × 1,759. Its proper divisors sum to 186,640, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x225B0.

Abundant Number Arithmetic Number Gapful Number Happy Number Odious Number Pernicious Number Recamán's Sequence Refactorable Number Semiperfect Number

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

140,708 140,709 140,710 140,711 140,712 140,713 140,714 140,715 140,716 140,717 140,718 140,719 140,720 140,721 140,722 140,723 140,724 140,725 140,726 140,727 140,728 140,729 140,730 140,731 140,732

less more

Properties

Parity: Even
Digit count: 6
Digit sum: 14
Digit product: 0
Digital root: 5
Palindrome: No
Bit width: 18 bits
Reversed: 27,041
Recamán's sequence: a(487,387) = 140,720
Square (n²): 19,802,118,400
Cube (n³): 2,786,554,101,248,000
Divisor count: 20
σ(n) — sum of divisors: 327,360
φ(n) — Euler's totient: 56,256
Sum of prime factors: 1,772

Primality

Prime factorization: 2 ⁴ × 5 × 1759

Nearest primes: 140,717 (−3) · 140,729 (+9)

Divisors & multiples

All divisors (20)

1 · 2 · 4 · 5 · 8 · 10 · 16 · 20 · 40 · 80 · 1759 · 3518 · 7036 · 8795 · 14072 · 17590 · 28144 · 35180 · 70360 (half) · 140720

Aliquot sum (sum of proper divisors): 186,640

Factor pairs (a × b = 140,720)

1 × 140720

2 × 70360

4 × 35180

5 × 28144

8 × 17590

10 × 14072

16 × 8795

20 × 7036

40 × 3518

80 × 1759

First multiples

140,720 · 281,440 (double) · 422,160 · 562,880 · 703,600 · 844,320 · 985,040 · 1,125,760 · 1,266,480 · 1,407,200

Sums & aliquot sequence

As consecutive integers: 28,142 + 28,143 + 28,144 + 28,145 + 28,146 4,382 + 4,383 + … + 4,413 800 + 801 + … + 959

Aliquot sequence: 140,720 → 186,640 → 247,484 → 185,620 → 204,224 → 201,160 → 265,400 → 352,120 → 440,240 → 583,504 → 547,066 → 355,598 → 196,282 → 130,310 → 108,586 → 54,296 → 56,944 — unresolved within range

Continued fraction of √n

√140,720 = [375; (7, 1, 8, 1, 1, 1, 1, 1, 4, 2, 1, 8, 1, 2, 4, 1, 1, 1, 1, 1, 8, 1, 7, 750)]

Period length 24 — the block in parentheses repeats forever.

Representations

In words: one hundred forty thousand seven hundred twenty
Ordinal: 140720th
Binary: 100010010110110000
Octal: 422660
Hexadecimal: 0x225B0
Base64: AiWw
One's complement: 4,294,826,575 (32-bit)
Scientific notation: 1.4072 × 10⁵
As a duration: 140,720 s = 1 day, 15 hours, 5 minutes, 20 seconds

In other bases

ternary (3) 21011000212

quaternary (4) 202112300

quinary (5) 14000340

senary (6) 3003252

septenary (7) 1124156

nonary (9) 234025

undecimal (11) 967a8

duodecimal (12) 69528

tridecimal (13) 4c088

tetradecimal (14) 393d6

pentadecimal (15) 2ba65

As an angle

140,720° = 390 × 360° + 320°

320° ≈ 5.585 rad

Compass bearing: NW (northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
Egyptian hieroglyphic: 𓆐𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
Greek (Milesian): ͵ρμψκʹ
Mayan (base 20): 𝋱·𝋫·𝋰·𝋠
Chinese: 一十四萬零七百二十
Chinese (financial): 壹拾肆萬零柒佰貳拾

In other modern scripts

Eastern Arabic ١٤٠٧٢٠ Devanagari १४०७२० Bengali ১৪০৭২০ Tamil ௧௪௦௭௨௦ Thai ๑๔๐๗๒๐ Tibetan ༡༤༠༧༢༠ Khmer ១៤០៧២០ Lao ໑໔໐໗໒໐ Burmese ၁၄၀၇၂၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 140720, here are decompositions:

3 + 140717 = 140720
31 + 140689 = 140720
37 + 140683 = 140720
43 + 140677 = 140720
61 + 140659 = 140720
103 + 140617 = 140720
109 + 140611 = 140720
127 + 140593 = 140720

Showing the first eight; more decompositions exist.

Unicode codepoint

𢖰

CJK Unified Ideograph-225B0

U+225B0

Other letter (Lo)

UTF-8 encoding: F0 A2 96 B0 (4 bytes).

Lookup U+225B0 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0225B0

RGB(2, 37, 176)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.37.176.

Address: 0.2.37.176
Class: reserved
IPv4-mapped IPv6: ::ffff:0.2.37.176

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 140,720 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 US140,720 on Google Patents ↗ Look up on USPTO ↗