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143,009

143,009 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.).

143,009 (one hundred forty-three thousand nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 83 × 1,723. Written other ways, in hexadecimal, 0x22EA1.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
17
Digit product
0
Digital root
8
Palindrome
No
Bit width
18 bits
Reversed
900,341
Recamán's sequence
a(222,398) = 143,009
Square (n²)
20,451,574,081
Cube (n³)
2,924,759,157,749,729
Divisor count
4
σ(n) — sum of divisors
144,816
φ(n) — Euler's totient
141,204
Sum of prime factors
1,806

Primality

Prime factorization: 83 × 1723

Nearest primes: 142,993 (−16) · 143,053 (+44)

Divisors & multiples

All divisors (4)
1 · 83 · 1723 · 143009
Aliquot sum (sum of proper divisors): 1,807
Factor pairs (a × b = 143,009)
1 × 143009
83 × 1723
First multiples
143,009 · 286,018 (double) · 429,027 · 572,036 · 715,045 · 858,054 · 1,001,063 · 1,144,072 · 1,287,081 · 1,430,090

Sums & aliquot sequence

As a sum of two cubes: 41³ + 42³
As consecutive integers: 71,504 + 71,505 1,682 + 1,683 + … + 1,764 779 + 780 + … + 944
Aliquot sequence: 143,009 1,807 153 81 40 50 43 1 0 — terminates at zero

Continued fraction of √n

√143,009 = [378; (6, 20, 3, 1, 1, 1, 3, 2, 9, 68, 1, 1, 1, 6, 1, 1, 1, 1, 4, 1, 5, 11, 2, 6, …)]

Representations

In words
one hundred forty-three thousand nine
Ordinal
143009th
Binary
100010111010100001
Octal
427241
Hexadecimal
0x22EA1
Base64
Ai6h
One's complement
4,294,824,286 (32-bit)
Scientific notation
1.43009 × 10⁵
As a duration
143,009 s = 1 day, 15 hours, 43 minutes, 29 seconds
In other bases
ternary (3) 21021011122
quaternary (4) 202322201
quinary (5) 14034014
senary (6) 3022025
septenary (7) 1133636
nonary (9) 237148
undecimal (11) 98499
duodecimal (12) 6a915
tridecimal (13) 50129
tetradecimal (14) 3a18d
pentadecimal (15) 2c58e

As an angle

143,009° = 397 × 360° + 89°
89° ≈ 1.553 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρμγθʹ
Mayan (base 20)
𝋱·𝋱·𝋪·𝋩
Chinese
一十四萬三千零九
Chinese (financial)
壹拾肆萬參仟零玖
In other modern scripts
Eastern Arabic ١٤٣٠٠٩ Devanagari १४३००९ Bengali ১৪৩০০৯ Tamil ௧௪௩௦௦௯ Thai ๑๔๓๐๐๙ Tibetan ༡༤༣༠༠༩ Khmer ១៤៣០០៩ Lao ໑໔໓໐໐໙ Burmese ၁၄၃၀၀၉

Also seen as

Unicode codepoint
𢺡
CJK Unified Ideograph-22Ea1
U+22EA1
Other letter (Lo)

UTF-8 encoding: F0 A2 BA A1 (4 bytes).

Hex color
#022EA1
RGB(2, 46, 161)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.161.

Address
0.2.46.161
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.46.161

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 143,009 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 143009 first appears in π at position 571,997 of the decimal expansion (the 571,997ordinal-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.