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142,023

142,023 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.).

142,023 (one hundred forty-two thousand twenty-three) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 7 × 6,763. Written other ways, in hexadecimal, 0x22AC7.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
12
Digit product
0
Digital root
3
Palindrome
No
Bit width
18 bits
Reversed
320,241
Recamán's sequence
a(484,781) = 142,023
Square (n²)
20,170,532,529
Cube (n³)
2,864,679,541,366,167
Divisor count
8
σ(n) — sum of divisors
216,448
φ(n) — Euler's totient
81,144
Sum of prime factors
6,773

Primality

Prime factorization: 3 × 7 × 6763

Nearest primes: 142,019 (−4) · 142,031 (+8)

Divisors & multiples

All divisors (8)
1 · 3 · 7 · 21 · 6763 · 20289 · 47341 · 142023
Aliquot sum (sum of proper divisors): 74,425
Factor pairs (a × b = 142,023)
1 × 142023
3 × 47341
7 × 20289
21 × 6763
First multiples
142,023 · 284,046 (double) · 426,069 · 568,092 · 710,115 · 852,138 · 994,161 · 1,136,184 · 1,278,207 · 1,420,230

Sums & aliquot sequence

As consecutive integers: 71,011 + 71,012 47,340 + 47,341 + 47,342 23,668 + 23,669 + 23,670 + 23,671 + 23,672 + 23,673 20,286 + 20,287 + … + 20,292
Aliquot sequence: 142,023 74,425 25,395 15,261 5,091 1,701 1,211 181 1 0 — terminates at zero

Continued fraction of √n

√142,023 = [376; (1, 6, 8, 1, 15, 6, 1, 5, 1, 3, 19, 1, 1, 2, 1, 4, 1, 1, 1, 2, 2, 1, 1, 1, …)]

Period length 54 — the block in parentheses repeats forever.

Representations

In words
one hundred forty-two thousand twenty-three
Ordinal
142023rd
Binary
100010101011000111
Octal
425307
Hexadecimal
0x22AC7
Base64
AirH
One's complement
4,294,825,272 (32-bit)
Scientific notation
1.42023 × 10⁵
As a duration
142,023 s = 1 day, 15 hours, 27 minutes, 3 seconds
In other bases
ternary (3) 21012211010
quaternary (4) 202223013
quinary (5) 14021043
senary (6) 3013303
septenary (7) 1131030
nonary (9) 235733
undecimal (11) 97782
duodecimal (12) 6a233
tridecimal (13) 4c84b
tetradecimal (14) 39a87
pentadecimal (15) 2c133

As an angle

142,023° = 394 × 360° + 183°
183° ≈ 3.194 rad
Compass bearing: S (south)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵ρμβκγʹ
Mayan (base 20)
𝋱·𝋯·𝋡·𝋣
Chinese
一十四萬二千零二十三
Chinese (financial)
壹拾肆萬貳仟零貳拾參
In other modern scripts
Eastern Arabic ١٤٢٠٢٣ Devanagari १४२०२३ Bengali ১৪২০২৩ Tamil ௧௪௨௦௨௩ Thai ๑๔๒๐๒๓ Tibetan ༡༤༢༠༢༣ Khmer ១៤២០២៣ Lao ໑໔໒໐໒໓ Burmese ၁၄၂၀၂၃

Also seen as

Unicode codepoint
𢫇
CJK Unified Ideograph-22Ac7
U+22AC7
Other letter (Lo)

UTF-8 encoding: F0 A2 AB 87 (4 bytes).

Hex color
#022AC7
RGB(2, 42, 199)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.42.199.

Address
0.2.42.199
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.42.199

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 142,023 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 142023 first appears in π at position 391,895 of the decimal expansion (the 391,895ordinal-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

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