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142,289

142,289 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.).

142,289 (one hundred forty-two thousand two hundred eighty-nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 7 × 20,327. Written other ways, in hexadecimal, 0x22BD1.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
26
Digit product
1,152
Digital root
8
Palindrome
No
Bit width
18 bits
Reversed
982,241
Recamán's sequence
a(39,890) = 142,289
Square (n²)
20,246,159,521
Cube (n³)
2,880,805,792,083,569
Divisor count
4
σ(n) — sum of divisors
162,624
φ(n) — Euler's totient
121,956
Sum of prime factors
20,334

Primality

Prime factorization: 7 × 20327

Nearest primes: 142,271 (−18) · 142,297 (+8)

Divisors & multiples

All divisors (4)
1 · 7 · 20327 · 142289
Aliquot sum (sum of proper divisors): 20,335
Factor pairs (a × b = 142,289)
1 × 142289
7 × 20327
First multiples
142,289 · 284,578 (double) · 426,867 · 569,156 · 711,445 · 853,734 · 996,023 · 1,138,312 · 1,280,601 · 1,422,890

Sums & aliquot sequence

As consecutive integers: 71,144 + 71,145 20,324 + 20,325 + … + 20,330 10,157 + 10,158 + … + 10,170
Aliquot sequence: 142,289 20,335 8,393 2,167 209 31 1 0 — terminates at zero

Continued fraction of √n

√142,289 = [377; (4, 1, 2, 2, 43, 1, 20, 1, 1, 2, 1, 2, 1, 1, 1, 7, 3, 3, 1, 29, 2, 2, 4, 3, …)]

Representations

In words
one hundred forty-two thousand two hundred eighty-nine
Ordinal
142289th
Binary
100010101111010001
Octal
425721
Hexadecimal
0x22BD1
Base64
AivR
One's complement
4,294,825,006 (32-bit)
Scientific notation
1.42289 × 10⁵
As a duration
142,289 s = 1 day, 15 hours, 31 minutes, 29 seconds
In other bases
ternary (3) 21020011222
quaternary (4) 202233101
quinary (5) 14023124
senary (6) 3014425
septenary (7) 1131560
nonary (9) 236158
undecimal (11) 979a4
duodecimal (12) 6a415
tridecimal (13) 4c9c4
tetradecimal (14) 39bd7
pentadecimal (15) 2c25e
Palindromic in base 13

As an angle

142,289° = 395 × 360° + 89°
89° ≈ 1.553 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρμβσπθʹ
Mayan (base 20)
𝋱·𝋯·𝋮·𝋩
Chinese
一十四萬二千二百八十九
Chinese (financial)
壹拾肆萬貳仟貳佰捌拾玖
In other modern scripts
Eastern Arabic ١٤٢٢٨٩ Devanagari १४२२८९ Bengali ১৪২২৮৯ Tamil ௧௪௨௨௮௯ Thai ๑๔๒๒๘๙ Tibetan ༡༤༢༢༨༩ Khmer ១៤២២៨៩ Lao ໑໔໒໒໘໙ Burmese ၁၄၂၂၈၉

Also seen as

Unicode codepoint
𢯑
CJK Unified Ideograph-22Bd1
U+22BD1
Other letter (Lo)

UTF-8 encoding: F0 A2 AF 91 (4 bytes).

Hex color
#022BD1
RGB(2, 43, 209)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.209.

Address
0.2.43.209
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.43.209

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 142,289 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 142289 first appears in π at position 89,228 of the decimal expansion (the 89,228ordinal-suffix:th 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.