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142,389

142,389 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.).

142,389 (one hundred forty-two thousand three hundred eighty-nine) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3² × 13 × 1,217. Written other ways, in hexadecimal, 0x22C35.

Arithmetic Number Cube-Free Deficient Number Evil Number Recamán's Sequence

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
27
Digit product
1,728
Digital root
9
Palindrome
No
Bit width
18 bits
Reversed
983,241
Recamán's sequence
a(40,090) = 142,389
Square (n²)
20,274,627,321
Cube (n³)
2,886,883,909,609,869
Divisor count
12
σ(n) — sum of divisors
221,676
φ(n) — Euler's totient
87,552
Sum of prime factors
1,236

Primality

Prime factorization: 3 2 × 13 × 1217

Nearest primes: 142,381 (−8) · 142,391 (+2)

Divisors & multiples

All divisors (12)
1 · 3 · 9 · 13 · 39 · 117 · 1217 · 3651 · 10953 · 15821 · 47463 · 142389
Aliquot sum (sum of proper divisors): 79,287
Factor pairs (a × b = 142,389)
1 × 142389
3 × 47463
9 × 15821
13 × 10953
39 × 3651
117 × 1217
First multiples
142,389 · 284,778 (double) · 427,167 · 569,556 · 711,945 · 854,334 · 996,723 · 1,139,112 · 1,281,501 · 1,423,890

Sums & aliquot sequence

As a sum of two squares: 42² + 375² = 183² + 330²
As consecutive integers: 71,194 + 71,195 47,462 + 47,463 + 47,464 23,729 + 23,730 + 23,731 + 23,732 + 23,733 + 23,734 15,817 + 15,818 + … + 15,825
Aliquot sequence: 142,389 79,287 41,673 15,927 5,313 3,903 1,305 1,035 837 443 1 0 — terminates at zero

Continued fraction of √n

√142,389 = [377; (2, 1, 9, 7, 2, 3, 1, 11, 1, 1, 2, 9, 6, 2, 1, 1, 83, 3, 1, 5, 5, 4, 1, 1, …)]

Representations

In words
one hundred forty-two thousand three hundred eighty-nine
Ordinal
142389th
Binary
100010110000110101
Octal
426065
Hexadecimal
0x22C35
Base64
Aiw1
One's complement
4,294,824,906 (32-bit)
Scientific notation
1.42389 × 10⁵
As a duration
142,389 s = 1 day, 15 hours, 33 minutes, 9 seconds
In other bases
ternary (3) 21020022200
quaternary (4) 202300311
quinary (5) 14024024
senary (6) 3015113
septenary (7) 1132062
nonary (9) 236280
undecimal (11) 97a85
duodecimal (12) 6a499
tridecimal (13) 4ca70
tetradecimal (14) 39c69
pentadecimal (15) 2c2c9

As an angle

142,389° = 395 × 360° + 189°
189° ≈ 3.299 rad
Compass bearing: S (south)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρμβτπθʹ
Mayan (base 20)
𝋱·𝋯·𝋳·𝋩
Chinese
一十四萬二千三百八十九
Chinese (financial)
壹拾肆萬貳仟參佰捌拾玖
In other modern scripts
Eastern Arabic ١٤٢٣٨٩ Devanagari १४२३८९ Bengali ১৪২৩৮৯ Tamil ௧௪௨௩௮௯ Thai ๑๔๒๓๘๙ Tibetan ༡༤༢༣༨༩ Khmer ១៤២៣៨៩ Lao ໑໔໒໓໘໙ Burmese ၁၄၂၃၈၉

Also seen as

Unicode codepoint
𢰵
CJK Unified Ideograph-22C35
U+22C35
Other letter (Lo)

UTF-8 encoding: F0 A2 B0 B5 (4 bytes).

Hex color
#022C35
RGB(2, 44, 53)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.53.

Address
0.2.44.53
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.44.53

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 142,389 and was likely granted around 1872.

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

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.