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142,889

142,889 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.).

142,889 (one hundred forty-two thousand eight hundred eighty-nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 43 × 3,323. Written other ways, in hexadecimal, 0x22E29.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
32
Digit product
4,608
Digital root
5
Palindrome
No
Bit width
18 bits
Reversed
988,241
Recamán's sequence
a(222,638) = 142,889
Square (n²)
20,417,266,321
Cube (n³)
2,917,402,767,341,369
Divisor count
4
σ(n) — sum of divisors
146,256
φ(n) — Euler's totient
139,524
Sum of prime factors
3,366

Primality

Prime factorization: 43 × 3323

Nearest primes: 142,873 (−16) · 142,897 (+8)

Divisors & multiples

All divisors (4)
1 · 43 · 3323 · 142889
Aliquot sum (sum of proper divisors): 3,367
Factor pairs (a × b = 142,889)
1 × 142889
43 × 3323
First multiples
142,889 · 285,778 (double) · 428,667 · 571,556 · 714,445 · 857,334 · 1,000,223 · 1,143,112 · 1,286,001 · 1,428,890

Sums & aliquot sequence

As consecutive integers: 71,444 + 71,445 3,302 + 3,303 + … + 3,344 1,619 + 1,620 + … + 1,704
Aliquot sequence: 142,889 3,367 889 135 105 87 33 15 9 4 3 1 0 — terminates at zero

Continued fraction of √n

√142,889 = [378; (151, 4, 1, 29, 2, 3, 1, 2, 5, 1, 2, 4, 1, 6, 3, 1, 25, 3, 4, 1, 1, 4, 1, 1, …)]

Representations

In words
one hundred forty-two thousand eight hundred eighty-nine
Ordinal
142889th
Binary
100010111000101001
Octal
427051
Hexadecimal
0x22E29
Base64
Ai4p
One's complement
4,294,824,406 (32-bit)
Scientific notation
1.42889 × 10⁵
As a duration
142,889 s = 1 day, 15 hours, 41 minutes, 29 seconds
In other bases
ternary (3) 21021000012
quaternary (4) 202320221
quinary (5) 14033024
senary (6) 3021305
septenary (7) 1133405
nonary (9) 237005
undecimal (11) 9839a
duodecimal (12) 6a835
tridecimal (13) 50066
tetradecimal (14) 3a105
pentadecimal (15) 2c50e

As an angle

142,889° = 396 × 360° + 329°
329° ≈ 5.742 rad
Compass bearing: NNW (north-northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρμβωπθʹ
Mayan (base 20)
𝋱·𝋱·𝋤·𝋩
Chinese
一十四萬二千八百八十九
Chinese (financial)
壹拾肆萬貳仟捌佰捌拾玖
In other modern scripts
Eastern Arabic ١٤٢٨٨٩ Devanagari १४२८८९ Bengali ১৪২৮৮৯ Tamil ௧௪௨௮௮௯ Thai ๑๔๒๘๘๙ Tibetan ༡༤༢༨༨༩ Khmer ១៤២៨៨៩ Lao ໑໔໒໘໘໙ Burmese ၁၄၂၈၈၉

Also seen as

Unicode codepoint
𢸩
CJK Unified Ideograph-22E29
U+22E29
Other letter (Lo)

UTF-8 encoding: F0 A2 B8 A9 (4 bytes).

Hex color
#022E29
RGB(2, 46, 41)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.41.

Address
0.2.46.41
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.46.41

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 142,889 and was likely granted around 1872.

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

Position in π

The digit sequence 142889 first appears in π at position 96,031 of the decimal expansion (the 96,031ordinal-suffix:st digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.

Related reading

  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.